At least three people were killed and nine other injured in road mishap here in Shikarpur on Friday. Police said that an over speeding passenger bus collided with a truck on the main Highway near Shikarpur bazaar in which three people breathed their last at the spot while nine others sustained injuries. Immediately, after the incident police and locals rushed to the spot and shifted the injured to hospital. Police termed over speeding as cause of the incident but no arrest could be made in this regard.