against heavy equipment. tonight, the difficult images right here, and the government s armored vehicles running over protesters there. we warn you, this is not easy to watch. and what we have just learned tonight from the secretary of state, mike pompeo, about the situation. abc s tom llamas, who reported extensively from venezuela, back on this tonight. reporter: tonight, chaos in venezuela. violent clashes unfolding right in front of cameras. an armored military vehicle plowing into and then over civilian demonstrators. members of the military defecting, taking up arms against the government. those blue bands a sign they re with the opposition. interim president juan guaido calling this the final phase to take down the maduro regime. the two sides battling all day. gunfire, tear gas and fire bombs exploding on the streets of caracas. it all began with this three-minute video. guiado calling on the rest of the armed forces to break ranks and join the opposition.