KARACHI : A six-year-old school going girl , Sabrina was killed and father sustained critical injuries today morning when an over speeding bus crashed into a motorcycle near Radio Pakistan building on M.A Jinnah road, Karachi. 

Bystanders were enraged, who later torched two buses in apparent reaction. According to witnesses the buses, of same route, were racing and travelling towards Numaish Chowrangi when one of the buses crashed into the motorcycle.

Fire brigade soon reached the site to extinguish the vehicle fire but faced resistance from enraged crowd.

Later police intervened and helped firefighters to put the blaze out. As many as 11 people were arrested in connection with setting the buses on fire.

The driver of the bus managed to flee from the site of incident.