Video: Colorado Police Responding to Active Shooter Situation at King Soopers in Boulder

Boulder Police Department on Monday afternoon asked the public to avoid the area of the King Soopers grocery store in Boulder, Colorado, after issuing an active shooter alert for the scene.

After initially warning about active shooter situation in the area, Boulder Police has repeated calls for public to stay away from the scene, as it remained "very active", and urged not to broadcast "any tactical information you might see" on social media.

​"ALERT: Active Shooter at the King Soopers on Table Mesa. AVOID THE AREA. PIO is en-route", Boulder Police tweeted.

Multiple reports said that at least six people, including a police officer, were killed in the King Soopers shooting, but the information was not officially confirmed.

CBS Denver reported that one man was escorted out of the King Soopers grocery store building by the police in handcuffs, wearing no shirt and his leg covered in blood. His involvement in the shooting is unclear. According to the CBS Denver live footage, police then continued to escort other people out of the building.

The outlet also reported, citing a witness, that at least three gunshots could be heard on site.

“Heard a loud bang… thought someone dropped something. Then by the third bang everyone was running", CBS Denver quoted the witness as saying.

Another witness told ABC News that she saw multiple fatalities in the shooting.

​A video allegedly filmed on site has been shared on social media, showing a heavy police presence. Reports also say that several helicopters were spotted in the skies above the area.

Shortly after responding to an "active shooter" situation in the King Soopers grocery store in Boulder, Colorado, local police department urged people at the second location "near 17th and Grove to shelter in place" while the officers respond to "report of armed, dangerous individual, with the second location being a few miles away from the King Soopers.

The governor of Colorado, Jared Polis, was among the first ones to react to the Boulder incident, saying that he is monitoring "unfolding events".

"Like my fellow Coloradans, I am closely watching unfolding events at King Soopers in Boulder. My prayers are with our fellow Coloradans in this time of sadness and grief as we learn more about the extent of the tragedy", he tweeted shortly after police confirmed the active shooter situation.

​According to local media, police initially responded to reports of a man shot in his vehicle in the parking area. After police officers arrived at the scene, an unknown person reportedly began shooting at them.