Vehicles are seen in the rubble in the destruction at the Westgate Shopping Centre in Nairobi, following a string of explosions during the stand-off between Kenyan security forces and gunmen inside ... more 
Vehicles are seen in the rubble in the destruction at the Westgate Shopping Centre in Nairobi, following a string of explosions during the stand-off between Kenyan security forces and gunmen inside the building, in this handout photo provided by Presidential Strategic Communications Unit September 26, 2013. In Nairobi, experts from U.S., British, Israeli and other agencies have joined Kenyan officers investigating the Westgate mall where militants from the al Qaeda-aligned Somali group al Shabaab launched a well-planned assault on Saturday. REUTERS/Presidential Strategic Communications Unit/Handout via Reuters (KENYA - Tags: CIVIL UNREST CRIME LAW TRANSPORT) ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. NO SALES. NO ARCHIVES. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS less 
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Reuters | Photo By HOLGER BENNEWITZ / REUTERS
Thu, Sep 26, 2013 12:31 PM EDT