Security officials in Pakistan say military aircraft have bombed the hideout of suspected militants in a northwestern tribal region, killing at least 27 fighters.

The officials say two Taliban commanders and 12 potential suicide bombers were among those killed Sunday in the Orakzai tribal region.

In Orakzai on Friday, a suicide bomber killed at least 40 anti-Taliban tribesmen who had gathered for a council meeting.

The Islamabad government is under pressure from neighboring Afghanistan and the United States to tackle Taliban and al-Qaida militants taking refugee in Pakistan's northwestern tribal regions. Authorities say the militants use Pakistan to attack soldiers in Afghanistan.

Pakistani lawmakers are expected to introduce a comprehensive anti-terror strategy in parliament on Monday. Legislators gathered in the capital last week for a special intelligence briefing to help develop a plan to combat militants.