Two persons were killed and nearly 20 others injured when a bus was targeted with a roadside bomb in the restive Kurram tribal region of northwest Pakistan today, security officials said.
The incident occurred in Pir Qayyum area of the tribal district.
The bus was going from Khyber-Pakhtunkhwa capital Peshawar to Parachinar, the main town of Kurram Agency.
Two persons were killed instantly and 17 injured persons were taken to a hospital in Parachinar, security officials told TV news channels.
Hundreds of people have lost their lives in sectarian violence between rival Shia and Sunni tribesmen in Kurram Agency over the past four years.
No group claimed responsibility for today's attack.