Abu Zubair al-Masri was a top Al-Qaeda

Al-Qaeda

Al-Qaeda is a global broad-based militant Islamist terrorist organization founded by Osama bin Laden sometime between August 1988 and late 1989. It operates as a network comprising both a multinational, stateless army and a radical Sunni Muslim movement calling for global Jihad...

 operative originally from Egypt. He was an explosives expert. He was killed in a Drone attack

Drone attacks on Pakistan by the United States of America

The United States government, led by the Central Intelligence Agency's Special Activities Division, has made a series of attacks on targets in northwest Pakistan since 2004 using drones . These attacks are part of the US' War on Terrorism campaign, seeking to defeat Taliban and Al-Qaeda militants...

 on November 22, 2008 in village of Ali Khel in North Waziristan

North Waziristan

North Waziristan is the northern part of Waziristan, a mountainous region of northwest Pakistan, bordering Afghanistan and covering . Waziristan comprises the area west and south-west of Peshawar between the Tochi river to the north and the Gomal river to the south, forming part of Pakistan's...

. He was holding an operational meeting with 4 others including Rashid Rauf

Rashid Rauf

Rashid Rauf was an alleged Al-Qaeda operative. He was a dual citizen of Britain and Pakistan who was arrested in Bhawalpur, Pakistan in connection with the 2006 transatlantic aircraft plot in August 2006, a day before some arrests were made in Britain...

who also were killed. The information about the location of al-Masri was provided to the Americans by Pakistani authorities