Thai anti-government protesters cheer during a rally at Lumpini district, Friday, Jan. 17, 2014 in Bangkok, Thailand. Dozens of people were wounded in Thailand's capital Friday when a grenade blast ripped through a crowd of marching anti-government demonstrators, an ominous development that raises tensions in the country's political crisis and the specter of more bloodshed to come. (AP Photo/Apichart Weerawong)