Government supporters pushed their way into the halls of the National Assembly, where opposition legislators had just labeled Maduro a dictator, according to Reuters.
17 photos show how intense protests in Venezuela are right now
Dozens of government supporters stormed the legislative halls and attacked opposition leaders on Wednesday.
Recommended articles
Opposition lawmaker Luis Stefanelli, left, puts his hands up outside the legislative halls, next to fellow lawmaker Leonardo Regnault.
A government supporter tries to push past Stefanelli to escape out of the building.
More fighting then broke out.
The same government supporter was taken to the ground and struck multiple times.
A government supporter continues to be attacked by opposition leaders and supporters.
The government supporter eventually tried to escape the building.
Authorities eventually used tear gas to clear out the government supporters.
They also used fire extinguishers.
But the fighting apparently didn't stop. A government supporter wearing a red hat can be seen here attacking legislators with a flag.
Another can be seen here kicking a legislator.
A government supporter appears to be breaking a windshield with a pipe or club.
The government supporter seen inside was eventually arrested.
A National Assembly employee or aide received medical attention afterward.
Opposition lawmaker Americo De Grazia was reportedly knocked unconscious.
He was eventually taken away on a stretcher. "His family later said he was out of critical condition and being stitched up," Reuters reported.
As all of this was happening, President Maduro was attending a military parade celebrating Venezuela's independence day.