Policemen use shields as protesters rally to oppose U.S. Defense Secretary Robert Gates in front of the Government Complex in Seoul October 21, 2009. Gates said on Wednesday North Korea had become a more deadly threat to the region and Washington would never tolerate a nuclear-armed Pyongyang. Signs read,"Stop expansion of U.S. army base in Pyeongtaek" (C) and "U.S. withdraw from Afghanistan" (2nd R). REUTERS/Hwang Gwang-Mo/Yonhap (SOUTH KOREA MILITARY CONFLICT) SOUTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN SOUTH KOREA. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
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