China News Service, March 23. According to sources quoted by the Wall Street Journal, a shooting incident occurred in a supermarket in Boulder, Colorado, on the afternoon of the 22nd local time, killing at least six people, including a policeman.

This news has not been confirmed by the police.

  According to reports, law enforcement officials who received a briefing on the incident said that the gunman’s motive has not yet been determined.

Boulder police have not yet announced the casualties. The Wall Street Journal said that the local police have not yet responded to requests for comment.

  On the afternoon of the 22nd, local time, 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 police repeatedly updated the news, saying that the scene was still "active" and urged nearby people to stay indoors and not post any "tactical information" they saw on social networking sites.

  The live broadcast footage showed that a man was taken away from the scene in handcuffs.

  Colorado Governor Polis said on social networking sites that the incident was "unbelievable" and "heartbreaking."