The attackers forced the passengers of the two Tata Sumo taxis to de-board in Parimpora area after which they set the vehicles ablaze.Masked youths torched two public transport vehicles on the outskirts of Srinagar on Monday. The attackers forced the passengers of the two Tata Sumo taxis to de-board in Parimpora area after which they set the vehicles ablaze, a police officer said.