At least 22 people have been killed and dozens injured after a shooting in Lewiston, Maine, with police still hunting for the gunman.

Authorities said they are investigating “two active shooter events” and people have been warned to take shelter.

“We are encouraging all businesses to lock down and or close while we investigate,” the sheriff’s office said.

A Lewiston police source told NBC News, Sky’s US partner, at least 22 people are dead and as many as 50-60 injured.

Police released pictures of a man in a bowling alley with a rifle raised to his shoulder, and asked for help identifying him.

Central Maine Medical Center said it was dealing with a “mass casualty, mass shooter event” but didn’t give precise numbers.

Police said on Facebook that the shootings happened at Schemengees Bar and Grille and Sparetime Recreation, a bowling alley.

Marjorie Perkins: Woman, 87, fights off ‘awfully hungry’ teen attacker before feeding him

$1.35bn Mega Millions jackpot won by single lottery ticketholder in US

Nine-year-old boy with month to live to celebrate Christmas early

They also posted a picture of a white car they wanted to trace.

Lewiston is about 35 miles (56 km) north of Maine’s largest city, Portland.

President Biden is said to have been briefed on the situation.

This breaking news story is being updated and more details will be published shortly.

Please refresh the page for the fullest version.

You can receive Breaking News alerts on a smartphone or tablet via the Sky News App. You can also follow @SkyNews on X or subscribe to our YouTube channel to keep up with the latest news.

Related posts:

Disneyland reopens for first time in 13 months as US hits another major vaccine milestone US wants to build spy base in UK to help keep satellites safe Vaccine and COVID disinformation on platforms like Facebook ‘killing people’ – Biden Bill Clinton admitted to hospital with non-COVID infection US commits to offer ‘condolence payments’ to relatives of 10 Afghan civilians wrongly killed in drone strike Ex-Japanese princess leaves country for New York after losing royal status due to ‘commoner’ husband One of America’s most-wanted tracked down 52 years after bank heist Ex-Trump adviser Steve Bannon surrenders over contempt charges related to Capitol riot probe Third police officer dies after ‘pure hell’ shooting in US How abortion has changed in America since Roe v Wade was overturned Safety fears for undercover police officers after names and photos are posted online Tornado kills at least 15 as storms tear through southern US states