In this Friday Feb. 1, 2013 photo, MMDA (Metro Manila Development Authority) 

In this Friday Feb. 1, 2013 photo, MMDA (Metro Manila Development Authority) traffic enforcers patrol a street on their Segway vehicles as they help augment police security to hundreds of foreign delegates attending a five-day international convention in Manila, Philippines. Security problems are not new to the Philippines - kidnappings and bombings have plagued the south of the country for decades - but the latest rash of violence comes as President Benigno Aquino III tries to shore up foreign investments and restore Filipinos' confidence in their government. (AP Photo/Bullit Marquez)
Associated Press
In this Friday Feb. 1, 2013 photo, MMDA (Metro Manila Development Authority) traffic enforcers patrol a street on their Segway vehicles as they help augment police security to hundreds of foreign delegates attending a five-day international convention in Manila, Philippines. Security problems are not new to the Philippines - kidnappings and bombings have plagued the south of the country for decades - but the latest rash of violence comes as President Benigno Aquino III tries to shore up foreign investments and restore Filipinos' confidence in their government. (AP Photo/Bullit Marquez)
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