Cop’s partner thought Ramarley had gun

The partner of the NYPD cop who fatally shot Ramarley Graham testified Thursday that he was absolutely certain the unarmed Bronx teen had a gun.

“One hundred percent, I believed there was a man with a gun,” Officer John Mcloughlin said during the departmental trial of Officer Richard Haste at Police Headquarters.

Mcloughlin, speaking in a courtroom filled with Graham’s sup- porters and family, said he felt unsafe just before the shooting.

Haste, part of an undercover narcotics unit that included Mcloughlin, had chased Graham, 18, to his mom’s second-floor apartment in Wakefield on Feb. 2, 2012, believing the teenager was armed.

With their guns drawn, Haste and Mcloughlin busted through the door of the apartment.

Haste shot the teen in the chest in the bathroom in front of his grandmother and 6-year-old brother as Graham was flushing marijuana down the toilet.

“We needed to get into the apartment to apprehend a man with a gun. I was scared,” Mcloughlin said.

“On the other side of the door, there was a possibility of getting hurt. There was a possibility there was a person on the other side . . . getting hurt.”

NYPD prosecutors charge that Haste, 35, broke protocol when he breached the door of the apartment without approval from a supervisor.

Meanwhile, Graham’s mom, Constance Malcolm, said Thursday that her own mother, Patricia Hartley — who was present at the time of the shooting — should be allowed to testify during the trial.

Haste is expected to take the stand Friday.