Police have identified a 21-year-old man as the suspect in the killing of 10 people at a supermarket in Boulder, Colorado. Authorities also identified nine victims after previously identifying a police officer who had been killed.

There were three mass shootings on a single day last week

A police officer is among “multiple” people who have died after a shooting at a Colorado supermarket. Boulder police commander Kerry Yamaguchi said a suspect has been detained after the incident at the King Soopers store in Boulder on Monday.