PORTLAND, Ore. (KOIN) — A crowd gathered in the Lloyd District Thursday night after a Portland Police Bureau officer was involved in shooting a man who later died at the hospital.

The shooting happened in the 500 block of NE Holladay Street after police were called to do a welfare check on a white man dressed in all black at the Motel 6, police said. Officers and paramedics arrived and found the man. The shooting happened shortly after 7 p.m., officials said.

It’s not clear at this time exactly what led to the shooting.

“Our officer encountered a very difficult and dynamic situation that no officer wants to face,” Chief Chuck Lovell said in a video posted online.

A witness told KOIN 6 the incident may have started as a fight between two men and one stabbed the other. The witness said police shot the stabbing suspect twice in the back in the parking lot of a Motel 6. That account has not been confirmed by police.

The area around NE Holladay Street and Grand Avenue was blocked for the investigation. No officers were hurt, officials said.

A small group of protesters gathered at the scene as an investigation was being carried out. The group grew in size as the night wore on. By about 11 p.m., the PPB said some people were throwing objects and trying to get into the taped-off area. The PPB said someone else grabbed an officer’s baton and when another officer stepped in to help, that officer “was sprayed with a chemical.”

The tires on at least one PPB patrol car were punctured and a window was broken. Additional officers from across the city were called in to help with safety and security efforts.

The officer involved in the shooting is on administrative leave, standard protocol in these incidents. PPB officials said the officer’s name will be released Friday.

The name of the victim has not yet been released.

This is a developing story.