'Triad' attack on Hong Kong protesters sparks anger

An assault on pro-democracy protesters by suspected triad gangsters that left dozens wounded sparked a firestorm of outrage in Hong Kong on Monday, in a dramatic escalation of political turmoil plaguing the Chinese city.Footage broadcast live on Facebook showed people screaming as the assailants beat multiple protesters and journalists in a subway station and in trains carriages, leaving pools of blood on the floor.