BOSTON-- A man wearing body armor and wielding an assault rifle shot two Boston police officers, seriously injuring them, before he was shot dead, police said.

The police officers, who were in “extremely critical condition” in a hospital early Thursday, were responding to a report of a domestic disturbance, according to Boston Police.

Officials said the officers were responding to a report of a person with a gun at 10:51 p.m. on Gladstone Street, East Boston.

Police Commissioner William Evans told reporters that the suspect fired at the officers soon after they arrived at a home late Wednesday and several other officers who were stationed outside ran in and exchanged gunfire with the suspect.

“Two of the officers dragged their fellow officers out of the line of fire so they were in a protected zone, and the officers continued to engage in a gun exchange,” he said.

Evans said the officers shot and killed the suspect and then began giving first aid to the wounded officers — one a 28-year veteran and the other a 12-year veteran of Boston Police.

He did not disclose the identities of the officers or the suspect. Police ordered residents to shelter in place amid concerns that there might be a second suspect, but that order was later lifted.

The two officers who were shot were taken to Massachusetts General Hospital. Nine other officers were being treated at Tufts Medical Center for trauma, stress and minor injuries.

“I commend the officers. They moved in and neutralized the threat pretty quick that no one else got killed,” Evans told reporters.

The district attorney’s office said there would be an investigation into the use of deadly force, as is standard protocol.

Hours earlier, police officials and Walsh honored the department's first Hispanic officer killed in the line of duty, Jose Maceira. They announced Maceira, who was shot in 1974 and died in 1977 as a result of his injuries, would be added to the BPD’s Memorial Wall of Honor in police headquarters.