US Drone Targets Al Qaeda's Second in Command

U.S. drone strikes in Pakistan continue to escalate.

Officials say al Qaeda's second in command was the target of the latest strike in the North Waziristan region Monday.

Abu Yahia al-Libi is thought to have been in the house that was hit, but it's still uncertain if he was killed.

Pakistani officials say at least 15 people were killed in the airstrike, one of several in recent days that have killed not less than 27.