a few minutes after chávez's broadcast at 3:45 pm, gunfire erupted again and the march began to disperse slightly. as the demonstrators marched closer to the llaguno overpass, they could see chavistas heavily armed, some with pistols. police began to disperse the chavista gunmen returning fire and few demonstrators began to follow behind them with pings of gunfire heard on the police armored vehicles, though the marchers fled shortly after as the violence grew. according to medical staff at the vargas hospital, the first to arrive at the hospital were opposition marchers. according to surgeons, the marchers had been shot in the back with handgun fire while fleeing and others were severely injured from 7.62×51mm nato military rounds from fal rifles, standard equipment of the national guard defending chávez. later after police responded to pro-chávez shooting, chávez supporters then began being seen injured in the hospitals. as a result of the confrontations, between 17 and 19 were left dead and around 60 injured, most killed between 3:20 pm and 3:55 pm.