User blog comment:ElectricEnder222/Volume 2 Episode 4 Discussion/@comment-187.39.37.72-20140815005228/@comment-17099359-20140815010120

Relax. The highway was practicely abandoned by the time the fight got started.

As for why he would go after them.The robot was their sercert weapon.What exactly was he suppose to do.Let Blake and Sun alert get away  to alert the authoritys.Beside it helps he relationship with the white fang.