The Latest: Officer slain by police in recorded firefight

LANDOVER, Md. (AP) - The Latest on the fatal shooting of an officer outside a police station in Maryland (all times local):

5:30 p.m.

A police chief says an undercover police officer was killed by his own colleagues' bullets as a gunman ambushed his police station. Meanwhile, two brothers of the gunman recorded the unprovoked attack.

Prince George's County police chief Hank Stawinski says Officer Jacai Colson was mortally wounded after he arrived at the scene dressed in civilian clothes in an unmarked car and wearing no body armor.

The gunman was identified as Michael Ford, 22, who was being sought for allegedly assaulting his wife in Greenville County, South Carolina, the day before, according to a sheriff's report there.

The chief says Ford's two brothers, Malik and Elijah Ford, were arrested after making recordings of the firefight.

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5 p.m.

Gov. Tom Wolf of Pennsylvania has ordered all United States and commonwealth flags in the state Capitol complex and at all commonwealth facilities in Delaware County to fly at half-staff to honor a Pennsylvania-born police officer.

Gov. Larry Hogan of Maryland made the same gesture in honor of Prince George's County officer Jacai Colson, who was shot and killed Sunday outside his station in Landover, Maryland. Authorities say the suspect wanted to die in a gun battle with officers.

Colson graduated from Chichester High School in the Delaware County town of Boothwyn, Pennsylvania.

U.S. Attorney General Loretta Lynch also issued a statement honoring his service.

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2:15 p.m.

U.S. Senator Barbara Mikulski is mourning the death of Prince George's County officer Jacai Colson.

Colson was killed Sunday, police say, by a man who wanted to die in a gun battle with officers outside his station in the Washington suburb of Landover.

Mikulski says Colson not only kept drugs and crime off the streets as an undercover narcotics officer. He was following in the footsteps of his grandfather, a police officer in Pennsylvania.

The Maryland Democrat says service "ran in the very fiber of his being."

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12: 20 p.m.

Police say evidence shows a gunman who killed an officer outside a police station in a Maryland suburb of the nation's capital "intended to die during a gun battle with police."

Prince George's County police tweeted Monday that they now have a third brother in custody in connection with the death of Officer Jacai Colson on Sunday night. Police have not identified them. All are in custody.

Police Chief Hank Stawinski says the shooter opened fire on the first officer he saw outside the station Sunday afternoon. A gun battle followed, and the gunman was wounded.

"It wasn't about anything," Stawinski said.

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5 a.m.

Police say they're seeking answers for why a gunman opened fire outside a police station in a Maryland suburb of the nation's capital, killing an officer in what the police chief called an "unprovoked attack."

Prince George's county police chief Hank Stawinski says the shooter opened fire on the first officer he saw outside the station around 4:30 p.m. Sunday. A gun battle followed, with several officers shooting at the suspect, who was wounded.

On Sunday night, hours after the shooting, Stawinski had few answers for reporters about what led to the gunfire. He said the shooting suspect and another man were arrested.

"It wasn't about anything," he said of the shooting.