It would grant immunity to motorists who kill or injure rioters.
More than two dozen angry protesters swarmed the Oklahoma House of Representatives chamber during a session on Wednesday to demonstrate against several bills that target demonstrators and trans girls.
The House and Senate were forced to lock their chambers as the protesters entered the Capitol's House gallery on the fifth floor while lawmakers were in session.
Video shows the group chanting 'no justice no peace' and 'Black Lives Matter'. But others heckled legislators, with one screaming 'you are a f--king disgrace to the whole country!'