One student killed and two were critically wounded when a dumper hit a motorcycle they were riding on at Sarjani Baba Mor in Karachi, reported 24NewsHD TV channel in Friday.
According to the rescue team, the injured and dead are siblings and were going to school on the motorcycle.
15 injured in bus-trawler collision in Ubauro
Meanwhile, a recklessly-driven Karachi-bound passenger bus collided with a trawler in Ubauro near Guddu Interchange on Motorway M-5, injuring 15 passengers, most of them seriously.
Rescue operation is going on at the accident site and according to the rescue officials women and children were among the injured.
The injured were rushed to Sheikh Zayed Hospital for medical assistance.
The passenger bus was going from Lahore to Karachi.
Reporters: Daniyal Syed adn Mir Zafar Ghotaki