Video .. Ten people were killed in a shooting inside an American supermarket

At least ten people, one of them a policeman, were killed by gunfire in a supermarket in Boulder, Colorado, according to police.

The identities of the victims were not revealed, except for the identity of the dead policeman named Eric Tally (51 years old).

"10 people were killed at the scene, including one of our officers ... the next policeman who answered the distress call - he was the first to arrive at the scene - and was killed as a result of being shot," said Maris Herold, chief of police for the city below the Rocky Mountains. He did a "heroic act".

According to the authorities, a gunman opened fire in a supermarket "King Supers" in the city, located 50 km from Denver, the state capital, before the police arrested him.

"Boulder witnessed a horrific and horrific mass murder," County Prosecutor Michael Dougherty said.

He added that the police arrested a suspect who was injured during his arrest.

The public prosecutor promised to bring "justice" to all the victims, describing them as "people who were living their lives, who were shopping, before the gunman tragically destroyed their lives."

Footage broadcast live by an eyewitness showed at least one person being arrested.

The man, who was wearing only sweatpants, appeared to be white in middle age and had light injuries to his leg that had traces of blood, while his hands were cuffed behind his back and the police took him outside the store.

According to US media, the gunman fired from an AR-15 machine gun, a very common weapon in the United States and used by a large part of the perpetrators of mass killing operations in the United States.

It is expected that the investigation into this attack will be long and complicated, and the work of criminal investigation teams at the shooting site is expected to continue for several days.

In Washington, White House spokeswoman Gene Saki said that President Joe Biden was informed of what happened in Boulder.

A video clip, which the authorities did not confirm its authenticity, showed the bodies of at least three people lying on the ground inside and near the supermarket, while the sound of gunfire was still heard.

About half an hour after the first round of gunfire, dozens of police officers were surrounding the supermarket, supported by armored vehicles.

Then a few heavily armed policemen climbed onto the roof of the supermarket with a fire engine ladder.

Eyewitnesses who were inside the store when the shooting started shortly before 3 pm (21:00 GMT) stated that they heard numerous gunshots before they managed to escape through a back exit.

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