Pakistan's army has carried out a series of offensives

Pakistan's army has carried out a series of offensives against al Qaeda-linked Taliban insurgents. But the operations in lawless tribal areas along the Afghan border have failed to break

the resolve of Taliban fighters determined to destabilize the U.S.-backed government.power balance.

The brazen bombing on Thursday in the northwestern town of Mardan suggested militants are regrouping after a lull in major attacks.

Militant operations in recent months have been mostly sectarian and have not focused on military targets.

"The bomber struck recruits when cadets were busy in their morning training," a military official told Reuters. At least 20 people were wounded.

The boy apparently walked into the compound, officials said.coach outlet store.

"It seems the Taliban are still a very potent force because they continue to attack installations, even if they have been quiet for a time," said former general Talat Masood.