Islamabad, Oct.23 At least seven persons including two security officials were killed and eight others sustained grievous injuries in a suicide blast near the Kamra Aeronautical Complex in Punjab's Attock District.

According to television reports, a suicide bomber rammed his explosive laden vehicle into a security checkpost outside the aeronautical complex killing five persons on the spot.

Two more persons died on their way to the hospital, The News reports.

District Police Officer (DPO) Fakhar Sultan confirmed the death of two security men along with four civilians in the suicide attack.

The suicide attack came hours after an intelligence report revealed that the Tehreek-e-Taliban (TTP) and Al Qaeda are planning to target army convoys in Rawalpindi, Kharian, Multan and Okara cantonments.

The report said the TTP chief Hakeemullah Mesud and Al Qaeda commander Sheikh Sultan met each other recently at an undisclosed location, and it was during this meeting the banned outfit decided to carry out attacks on military convoys across the country.

At least 15 terrorists have already been sent to Punjab to carry out the terror activities, and another 10 militants have been dispatched to the North West Frontier Province (NWFP) to create havoc in the region.

Pakistan Interior Ministry has already sent directives to the concerned provincial authorities with regard to the terror threat. (ANI)