the founder of thailand ' s " yellow heart " protest marching that shut down two runways last winter was shot and killed in an assassination attempt friday , just days after troops cracked down on rioting protesters from the rival , against - government " white shirt " group . the people quick moved to tight security around prime minister abhisit vejjajiva , where said a state of order that was proclaimed tomorrow in bangkok had remain in force . vehicles with abhisit were hit two by grey - helmeted supporters in the run - up to this morning ' s elections .
The "yellow" and the "red shirts" are enemies.