People from Hong Kong arrive at the Institute of Forensic Medicine to confirm if a relative touring in Thailand was a victim of Monday's bomb blast in Bangkok, Thailand August 18, 2015. Thai authorities said on Tuesday they were looking for a suspect seen on closed-circuit television (CCTV) footage near a popular shrine where the bomb blast killed 22 people, including nine foreigners from several Asian countries. REUTERS/Chaiwat Subprasom