ISLAMABAD: At least three people were killed, while 20 others were injured in a road accident near Hub on Tuesday. According to a private news channel, the incident happened when a passenger bus on its way to Shah Noorani met with a mishap. As a result, three people died, while several others were injured. The injured were shifted to nearby hospitals for treatment. Meanwhile, another accident occurred in Khanpur tehsil. According to reports, a bus collided with a tree near Kotla Pathan that killed three people and injured two others. The accidents happened due to reckless driving, poor traffic system and deprived conditions of the roads, sources said.