Thai explosive ordnance disposal officers examine the site in Bangkok at which an Iranian man carrying grenades blew off his own legs and wounded four civilians on Tuesday, Feb. 14, 2012. (AP Photo/Apichart Weerawong)

Photo by: Apichart Weerawong

Thai explosive ordnance disposal officers examine the site in Bangkok at which an Iranian man carrying grenades blew off his own legs and wounded four civilians on Tuesday, Feb. 14, 2012. (AP Photo/Apichart Weerawong)