A man acting alone killed four people and injured three others, including a police officer, on Monday in Colorado.
(Washington) A man acting alone killed four people and injured three others, including a police officer, on Monday in Colorado state, United States, before being shot, US police said the motives of the shooter remain unknown.
Starting Monday afternoon, the man opened fire at several locations in the nearby towns of Denver and Lakewood, police said in a late night press conference.
The gunman first opened fire in Denver, killing two women and a man, while another was injured.
He then traveled to Lakewood where he shot and killed one man and injured another, police said.
Using information from the first attack, officers at Lakewood were able to identify the perpetrator, who moved again.
"Shots were then exchanged with our agents" and "the shooter [...] was shot," John Romero, Lakewood police spokesman, said, adding that the author of the shots was "Declared dead at the scene".
During the exchange of gunfire, a Lakewood police officer was shot and wounded. "This officer is currently in the hospital undergoing an operation," Romero said.
The shooter's motives remain unknown, and an investigation into the events is underway.
Shootings remain a recurring scourge in the United States, claiming large numbers of victims in a country where the right to own guns is constitutionally guaranteed.