PESHAWAR, PAKISTAN - A U.S. drone strike has killed a senior Al-Qaida leader in Pakistan's tribal region near the Afghan border, Pakistani intelligence officials said, in the latest blow to the network.

Sheik Khalid bin Abdel Rehman al-Hussainan, who was also known as Abu Zaid al-Kuwaiti, was killed when missiles slammed into a house Thursday near Mir Ali, one of the main towns in the North Waziristan tribal area, the officials said. They spoke on condition of anonymity because they were not authorized to talk to the media.

Al-Kuwaiti appeared in many videos released by Al-Qaida's media wing, Al-Sahab, and was presented as a religious scholar.

Earlier this year, he replaced Abu Yahya al-Libi, Al-Qaida's second in command, who was killed in a U.S. drone strike in North Waziristan in June, the intelligence officials said. Al-Libi was a key religious figure within Al-Qaida and also a prominent militant commander.

Al-Kuwaiti appeared to be a less prominent figure and was not part of the U.S. State Department's list of most wanted terrorist suspects, as Al-Libi had been.

Covert CIA drone strikes have killed a series of senior Al-Qaida and Taliban leaders in Pakistan's tribal region over the past few years. The attacks are controversial because the secret nature of the program makes it difficult to determine if civilians also are being killed.

ASSOCIATED PRESS