PESHAWAR  - Five security personnel were killed and six inured in an attack by militants on Engineer Battalions vehicle near Sara Khawara area in Mattani on the border of the restive Dara Adamkhel in Khyber Pakhtunkhwa province, reported a private TV channel.

The militants also attacked a police armored personnel carrier injuring four police officials just a few yards away from the site of the first attack.

In a separate incident also in the same area, the militants lobbed a hand grenade on an APC of Mattani police which was on routine patrolling and then opened indiscriminate gunfire on it. Four policemen were injured in the attack, who were later shifted to Lady Reading Hospital in Peshawar for treatment.

A search operation has been launched in the area by the police and the paramilitary Frontier Constabulary.