An investigation early Tuesday into shots fired and a man with a double-barreled shotgun at a Larkfield home set in motion a Sonoma County sheriff's SWAT response ending with the arrest of two men.

The incident lasted almost four hours outside of a home on Donna Drive — the same street where last week two men were arrested, one suspected of stabbing a transient and the other of running the man over with his car.

Tuesday's SWAT response also was the second in Larkfield in about a week. In that case, on Manka Circle, a resident killed himself while deputies outside tried to get him to give himself up in a case involving suspected battery and false imprisonment of his wife.

This morning, deputies working in the area heard shots fired at about 12:40 a.m. On nearby Donna Drive they saw through a window a man in a home reloading a double-barreled shotgun, Lt. Mark Essick said in a press release.

Deputies ordered the man, Arnold Colwell, 54, out of the home. He came out, but left the gun inside.

Another man inside, Salvadore Mendez, 43, refused to come out and wouldn't talk to deputies. The sheriff's special operations unit was called at 1:40 a.m., Essick said.

The unit includes SWAT, hostage negotiators, bomb squad members and support staff.

By 3 a.m. negotiators began trying to get Mendez to talk to them.

At 4:10 a.m. the man responded and came out without incident, Essick said.

The shotgun was found on the living room floor. Essick said there were several other guns in the home.

Deputies arrested Arnold Colwell on suspicion of negligent firing of a gun, a misdemeanor.

Mendez was arrest on an outstanding misdemeanor DUI warrant.

They were taken to the Sonoma County Jail.

Larkfield is a community in northern Santa Rosa, off of Old Redwood Highway and Mark West Spring Road.