On 11 May, Suthep presented himself to the Department of Special Investigation. The red shirt protesters, however, were not satisfied and demanded Suthep be formally charged instead by police. The red shirts failure to disperse was taken as a decline of the conciliatory road map and Prime Minister Abhisit's proposal of early parliamentary elections were withdrawn. This was followed by a warning issued from the prime minister that protesters must disperse or face imminent military action. The red shirts led another protest on 19 May. The army killed over 90 protesters in the ensuing military crackdown. Army tactics were been heavily criticised for failing to abide by international standards and using lethal force on unarmed protesters. At least six people including nurses and medics were shot by snipers inside a Buddhist temple set up as a safe area.