GILGIT  - Two passengers were killed and four others injured in a hand grenade attack on a bus near Meenawar here on Sunday.

According to police sources, the bus was attacked by unknown armed men with a grenade which resulted into death of two people and injuries to four others.

Police and local relief teams reached the site of the incident and shifted the dead and injured to district headquarters hospital.

Hospital sources said the injured were in critical condition and the death toll may rise. An emergency was declared in Gilgit Hospital and doctors and nurses were called in to deal with the situation.

Police said after the attack, they launched an operation to arrest the culprits but have so far not been able to trace any of the attackers.