Islamabad Hotel Blast

A security guard helps a foreign guest out of the building after bomb explosion at a hotel in Islamabad, Pakistan Saturday, Sept 20, 2008. A huge explosion ripped through part of the heavily guarded Marriott Hotel in Pakistan's capital Saturday, killing at least 50 people and wounding hundreds more.

A view of destruction caused by a bomb explosion at the Marriott Hotel in Islamabad, Pakistan, on Saturday, Sept 20, 2008.

Wreckage and flames caused by a bomb explosion at the Marriott hotel in Islamabad, Pakistan Saturday, Sept 20, 2008.. A huge suicide truck bomb devastated the heavily guarded hotel in Pakistan's capital Saturday, killing more than 50 people and engulfing the building in flames in a sickening reminder of the threat in a country vital to the U.S.-led war on terror.

A view of the Marriott Hotel lobby after a bomb explosion in Islamabad, Pakistan, Saturday, Sept. 20, 2008.

A view of the estimated 30-feet deep crater caused by a bomb explosion at Marriott hotel in Islamabad, Pakistan Saturday, Sept 20, 2008. The huge explosion ripped through part of the heavily guarded Marriott Hotel in Pakistan's capital Saturday.

A Pakistani police officer stands on the rooftop of Marriott Hotel a day after a truck bombing in Islamabad, Pakistan, Sunday, Sept. 21, 2008. Rescue workers continued to pull bodies from the wreckage from what was left of the hotel in Pakistan's capital, a rescue officer said, pushing the death toll above 50 in one of the biggest terrorist attacks ever in the country.

Pakistani rescue workers pause at the site of Saturday's truck bombing at Marriott Hotel in Islamabad, Pakistan, Sunday, Sept. 21, 2008.

People look the images of injured and dead victims of Saturday's massive truck bombing, displayed at a local hospital in Islamabad, Pakistan, on Sunday, Sept. 21, 2008. Rescuers pulled more bodies from the shell of the hotel in Pakistan's capital as the death toll from one of the country's worst ever terrorist strikes surpassed 50, including the Czech ambassador.

Pakistan army troops arrive to conduct a rescue operation at the site of Saturday's massive truck bombing at Marriott hotel in Islamabad, Pakistan, Sunday, Sept. 21, 2008. The bombing devastated the luxury hotel in Pakistan's capital.

Pakistan's army troops arrive to conduct a rescue operation at the site of Saturday's massive truck bombing at Marriott Hotel in Islamabad, Pakistan, Sunday, Sept. 21, 2008. Investigators are combing for evidence at the scene of the bombing.

Pakistani workers clean the debris from the Marriott Hotel following the suicide bomb explosion Saturday in Islamabad, Pakistan, on Tuesday, Sept 23, 2008.