1 killed, 4 injured at Colorado apartment complex shootout

Flowers and balloons on a police car are seen to mourn for Douglas County Sheriff's Deputy Zackari Parrish, who was shot and killed in the line of duty by a gunman on last Sunday morning, in Highlands Ranch, Colorado, the United States, on Jan. 2, 2018. Zackari Parrish was married and father of two children. (Xinhua/Marc Piscotty)