Islamabad, March 2 (IANS) Several army personnel were injured Tuesday when a powerful bomb blast hit a military convoy in northwest Pakistan's tribal area, a media report said.

An improvised explosive device (IED) exploded close to the convoy in Miranshah, the capital of North Waziristan, leaving several people injured, Xinhua news agency reported.

Pakistani security forces are conducting operations against Taliban guerrillas in the northwest tribal areas bordering Afghanistan.