They did not fire on the civilians (around the trucks)
Their tanks fired warning shots to disperse the crowd (implying aimed away from the civilians)
Nothing about the drivers being Hamas (as in: if they were escorted there, I don’t think they would consider the drivers a threat, as that’s what’s being suggested by this wording)
A nearby incident (how near? Probably very near) where civilians came towards their checkpoint, didn’t stop after warning shots, and then they started shooting to kill