File photo dated 17/04/12 of former Prime Minister Tony Blair who has warned that allowing the enduring controversy over the decision to invade Iraq in 2003 to hold back military intervention in Syria... more 
File photo dated 17/04/12 of former Prime Minister Tony Blair who has warned that allowing the enduring controversy over the decision to invade Iraq in 2003 to hold back military intervention in Syria could help produce a "nightmare scenario" for the West in the Middle East. less 
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Press Association Images
Tue, Aug 27, 2013 4:05 AM EDT