Police shot and killed a man Sunday morning who spent several hours firing a gun from a boat anchored off an island near Seattle.

The shooting ended an incident that had begun about 8:30 p.m. local time Saturday, Bainbridge Island Police Chief Mark Hamner told CNN Sunday morning.

Police received calls about a man firing shots from a boat in Eagle Harbor onto the shore, he said. Officers originally thought someone was setting off fireworks, but callers began describing the type of gun the man was using, Hamner said.

Officials cleared the area and approached the subject around 1 a.m. As they neared, the man raised his gun toward officers and they shot and killed him, Hamner said.

No one else was injured, police said.

“I cannot fully express my gratitude to all of the officers involved,” Hamner said. “They showed good judgment and training.”

Police did not identify the shooter. It was not immediately clear Sunday why he was firing his gun.

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SOURCE: CNN, Jay Croft and Sheena Jones