Boulder City police department said at least 10 people were killed in a shooting at a supermarket in Boulder city of Colorado.

Police Officer Eric Talley, who was one of the first on the scene, was one of the dead in the shooting.

“I want to reassure the community that they are safe and that we will try to make our best to identify the victims and work with the coroner’s office as prompt as possible,” said Police Chief Maris Herold, holding back tears.

A suspect has been taken into custody. It has not been shared any information about the type of weapon used.

The motive of the attack is yet to be known.

CNN reported that a shirtless man was seen taken from the supermarket, which was appeared to be cuffed as police escorted him away.