China News Service, March 23. According to US media reports, on the afternoon of the 22nd local time, "active gunmen" appeared in a supermarket in Boulder, Colorado, and the police urged people to avoid the area.

  In the afternoon of the same day, the Boulder police posted a message on social networking sites that "active gunmen" appeared in a King Soopers supermarket in the Table Mesa area, urging people to avoid the area.

Subsequently, the news was updated many times, saying that the scene was still "active", calling on nearby people to stay indoors and not to post any "tactical information" they saw on social networking sites.

  The police said that a press conference would be held at 17:45 pm local time, but did not release other details of the incident.

  Aerial footage from local media showed a man wearing shorts, shirtless and beard was taken away in handcuffs, and one was put on a stretcher and taken into an ambulance.

The screen also showed a large number of law enforcement officers outside the supermarket, as well as at least two ambulances.