Maduro's rivals fear that a new constituent assembly could rewrite rules or exclude opposition parties, making a sham of future elections that could vanquish the ruling socialists if the polls were free and fair.
One of the victims was a 19-year-old man who died from gunshot wounds.
Fresh riots broke out on Monday evening in the capital and Barinas.
After marches by various civil groups, it was the turn of the Venezuelan Medical Federation to vent its frustrations in the streets.
Almost 20.000 officials from the health system headed to the Caracas Ministry of Health while the guards were struggling to keep them away from the gates of the institution. Police fired tear gas to drive them back, in scenes that have become familiar after weeks of unrest.
"The country is heading for a catastrophe".
"One is always afraid to come out, but we will carry on doing it until there is a change".
The opposition-led National Assembly wants a referendum asking Venezuelans if they approve of Maduro's constituent assembly plan. They blame him for an economic crisis that has caused shortages of food, medicine and basic supplies.
"A simple infection can turn into a serious problem due to the lack of antibiotics", said urologist Eliecer Melear.
Current President Maduro has tried to paint a different mask on the counter movement in his country. "We are grateful to a show support for dialogue which the government has asked as a means of solving internal problems", she said in response to a question from News Source Guyana.
At a news conference yesterday in Georgetown, Diaz urged Caribbean Community (CARICOM) member states to stand with the Nicolas Maduro administration which has been rocked by violent anti-government protests.
Mr Maduro claimed "Nazi-fascist" elements are taking roots in the opposition's ranks and contributing to a unsafe spiral of violence.
Maduro accuses the opposition of plotting a coup against him with United States backing. The protests began early Monday when demonstrators blocked main roads in and out of Barinas but were later met by hooded agitators and "colectivos", or "collectives" - a term used to describe civilian pro-government groups, some which have taken up arms against the political opposition.
A man was doused in fuel and set alight on Sunday at a demo.
The government alleged he was attacked for being a Maduro supporter.
Maduro has accused the opposition of "terrorism", and is resisting their calls for a vote on removing him from power.
Maduro said that 21-year-old Orlando Zaragoza suffered burns to nearly all his body when he was doused with gasoline and set on fire at a protest in Caracas a day earlier.
Instead of traveling, he said he would return to Caracas to join in ongoing protests Thursday.
"I call on all the people of Venezuela to take to the streets en masse with the tricolor flag of peace", President Nicolas Maduro said on television ahead of Tuesday's rally.
"The president won't just stay in his green phase gentlemen", he adds, referring to the first stage of a military plan to control the protests announced last month by Maduro. The opposition needs to think about how to consolidate their gains. People have to work, study, eat and live their lives.
Trump, meanwhile, resumed his Twitter postings from the White House on Sunday and dismissed any story based on anonymous sources. On that topic, Trump tweeted Sunday night: "I suggest that we add more dollars to Healthcare and make it the best anywhere".
Three Montana news publications withdrew their endorsements, and even House Speaker Paul Ryan condemned Gianforte's actions. Still, Republicans now have to answer for the fact that one of their own elected officials is now facing assault charges.
And if you can't make it to the cemetery, take a moment to remember and take a moment of silence at 3 p.m. on Memorial Day. Of course, putting aside one day does not do justice to all those who have bravely fought throughout history.
The delay from the U.S.is being seen as an area for concern for advocates of global action to confront climate change . Clearly, for Trump now to violate a major campaign promise and stick with the Paris agreement would be a huge mistake.
He will then be sworn in as U.S. ambassador to the People's Republic of China by Judge Steven Colloton of the U.S. If the past seven years are any indication, Iowans aren't going to see this leadership from Governor Reynolds".
Anderson Cooper led the way for CNN, winning his 8 p.m. slot for "AC 360" for five straight days last week over Fox and MSNBC. More revelations about Flynn followed, along with the naming of a special prosecutor for the Russian investigation.
Sampaoli leaves Sevilla having guided them to the top four but, for much of the season, this was a campaign that promised more. Right now Argentina is fifth with 22 points behind Brasil (33), Colombia (24), Uruguay (23) and Chile (23).
However, here it has been tuned for 592bhp - an increase of 25bhp - making it the most powerful Jaguar to ever hit the road. I'm a little surprised they went with the XE for this one, but I'm also excited to see just how insane they can make it.
Cars in both groups qualify in reverse order, from slowest to fastest, depending on how they qualified Saturday. Bourdais won four consecutive Champ Car titles from 2004 to 2007 with Newman/Haas Racing.
They are a big club that has had a change and now needs someone who can organise: someone who has been at a big club. Jonny Hayes had given the Dons the lead before Stuart Armstrong levelled nearly immediately.
Investigators also worked with regional and western news outlets and non-government organizations active in the area, he said. The current U.S. strategy of isolating ISIS inside cities such as Mosul and Raqqa can place civilians at additional risk.
Diego Costa says he won't go to China, only to Atletico
"The first goal should never have been allowed", he said of Alexis Sanchez's controversial opener for Arsenal at Wembley . Poor defending from the usually imperious N'golo Kante Arsenal's Olivier Giroud to tee up Ramsey for the winning goal.
Trump's budget director defends plans to cut social programs
Members of Idaho's congressional delegation have been characteristically measured in their initial assessment of the Trump budget. His argument is that Medicaid funding will still increase in dollar terms each year during the 10-year budget window.
Manchester Bombing Investigation Leads to Additional Arrests
Members of the public gather to attend a candlelit vigil to honor the victims of Monday evening's terror attack in Manchester . All the previous arrests were made in and around Manchester where the suicide bombing took place on Monday night.
Ohio children allegedly shot by mother die in hospital
A mother who is accused of shooting two of her children told police that she did it to save them from the "evils of the world". At the time of the shootings, an investigation was open and active against Helton by Montgomery County Children Services.
DJI's New $499 Spark Drone Looks Fun as Hell
That raises the Spark's top speed to up to 31 miles per hour , and sets the camera gimbal to first-person view (FPV). Preset flight sequences such as circling and spiralling shots help to make Spark easier for the novice drone pilot.
China sidesteps Duterte claim of war threat over sea row
For his part, Senator Paolo Benigno "Bam" Aquino that such threat of war from the Chinese President is definitely troublesome. On a state visit to China a year ago , Duterte announced the Philippines' "separation" from the United States .
China and Philippines meet on South China Sea disputes
China claims nearly the entire South China Sea , a key shipping lane that is believed to be rich in mineral and marine resources. At the same time , China can never represent Taiwan at the negotiations with regard to the South China Sea , he added.
Taiwan court rules same-sex marriage ban is unconstitutional
The ruling Democratic Progressive Party that swept national elections in the self-ruled island previous year supported the change. In Thailand, activists said it would provoke redoubled effort to get the military-ruled country to legalize gay marriage.
Security Council condemns NKorea missile test
North Korea says it has no choice but to advance its nuclear and missile development to defend itself from attack. Meanwhile, the United States has also urged China to use its influence over North Korea to de-escalate tensions.
Normani Kordei comes third in Dancing with the Stars final
This dance is a complete 180 from the last one, and is raw with emotion. "I'm her biggest fan, you have no idea", Jennings said. Regardless, she should have won, because she was a natural on the dance floor and she was born to ball room dance.
Vermont governor vetoes marijuana bill, wants changes made
He also wants the bill to include money for regulation, enforcement and education. "We need to move a little bit slower". Governor Phil Scott, a Republican, told reporters he was not satisfied that the bill adequately protected public safety.
Bella Thorne and Scott Disick Have PDA-Filled Day in Cannes
Kourtney Kardashian and her alleged new boo, model/boxer Younes Bendjima , seem to be having the time of their lives together. The " Keeping Up With the Kardashians " star was spotted on a date night with Bendjima Monday at Gotha nightclub in Cannes.
Company recalling more than 25000 child vehicle seats
The company's My Ride 65 convertible auto seats failed a crash test run by the National Highway Traffic Safety Administration. Graco announced the recall of more than 25,000 auto seats because webbing did not meet federal requirements in crash tests.