ISLAMABAD - At least two passengers lost their lives while eight others sustained serious injuries on Tuesday wee hours when a speeding truck collided with a passenger bus in Hub Marble city, Lasbela district. Rescue officials said that the accident had place when a speedy truck hit a Karachi-bound bus. The rescue teams reached the spot and shifted the victims to a nearby hospital. According to police, the truck driver had lost control over steering and rammed into the passenger bus.