Mohammad Ashraf Hafiz (42) and a 10-year-old pillion rider were critically injured when they were hit by a CRPF vehicle on Boulevard road, police said.
They were rushed to a hospital where doctors declared them brought dead.
Agitated locals started pelting stones at the CRPF vehicle and set it on fire after the security personnel abandoned it, the police said.
Eyewitnesses claimed that the security forces vehicle was on the wrong side of the road and also over-speeding.