The alleged shooter was the boyfriend of a female victim at the party attended by friends, family and children.

A gunman opened fire at a birthday party in Colorado, killing six adults before killing himself on Sunday, police said.

The shooting happened just after midnight at a mobile home park on the east side of Colorado Springs, police said.

Officers arrived at a trailer to find six dead adults and a seriously injured man who later died at a hospital, the Colorado Springs Gazette reported.

The alleged shooter was the boyfriend of a female victim at the party attended by friends, family and children. He went inside and opened fire before shooting himself, police said. The children in the attack were not injured and were placed with relatives.

The birthday party was for one of those killed, police said.

Police did not reveal the identity of the gunman or the victims on Sunday. Authorities say a motive was not immediately known.

“My heart breaks for the families who have lost someone they love and for the children who have lost their parents,” Colorado Springs Police Chief Vince Niski said in a statement.

It was Colorado’s worst mass shooting since a gunman killed 10 people in a Boulder supermarket on March 22.

“The tragic Colorado Springs shooting is devastating,” Governor Jared Polis said Sunday, “especially as many of us spend the day celebrating the women in our lives who have made us the people we are today. ‘hui. “

Colorado Springs, with a population of 4.65,000, is Colorado’s second largest city after Denver.

In 2015, a man shot and killed three random people before he died in a shootout with police in Colorado Springs on Halloween. Less than a month later, a man killed three people, including a police officer, and injured eight others in a shooting at a family planning clinic in the city.

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