DERA ISMAIL KHAN, May 14 Eight policemen were injured, four of them seriously, when terrorists on motorbikes attacked three police posts here with hand-grenades on Thursday evening.

Police said the attacks carried out in a span of half an hour, partially damaged the posts.

The first attack took place after evening prayer when a hand-grenade was hurled on a Rescue 15 post in Topawala Square on the Circular Road.

Six policemen, including two assistant sub-inspectors, were injured.

About 15 minutes later, Police Post No 3 at Tank Adda was attacked and two constables were injured. The third attack was on Police Post No 4 at Muslim Bazaar.—Irfan Mughal