manila philippine college fraternity use annual naked run friday protest president rodrigo duterte brutal war drug imposition martial law south army fight islamist militants mask hood young men sprint nude college hold sign read lift martial law stop kill bystanders laugh point others take photos level violence society grow fraternity simply ignore thousands people die alpha phi omega spokesperson thomas roca say ask fraternity pick protest theme year since take office last june duterte launch ferocious war drug leave thousands filipinos dead may impose martial law mindanao island 22 million people islamic state-linked militants take large part city marawi first time fraternity take political stance yearly bare-bottomed event society use naked run rule late dictator ferdinand marcos 1980s protest censorship activists university philippines finale friday men gather pond arm sling shoulder lustily sing fraternity song alumni members audience join well first time see college student haji viado say smile effective get people attention issue skin game philippine students protest duterte naked run