At least three people including a policeman were killed Thursday night in two blasts near a police check post in the northwestern Pakistani city of Peshawar, according to local TV reports.

A blast victim arrives to the Lady Reading hospital in Peshawar, shortly after an attack at a police check post on June 11, 2009. [Xinhua]

Another 13 policemen were injured in the blasts at the ring road of Peshawar, capital of Pakistan's North West Frontier Province (NWFP).

A large contingent of police was present at the spot following the first grenade attack. Then a suicide bomber blew himself up among the crowd.