NORRIDGEWOCK, Maine (AP) — A man scheduled to appear in court to face gun charges Wednesday killed a sheriff's deputy in Maine, stole his cruiser and robbed a convenience store, officials said.

The fatal shooting of Somerset County Cpl. Eugene Cole around 1:45 a.m. on U.S. Route 2 in Norridgewock triggered an intensive manhunt for the shooter in and around the heavily wooded rural community about 60 miles (96 kilometers) west of Bangor.

Law enforcement officials vowed to maintain a heavy presence overnight and urged residents to remain vigilant as the search continued for 29-year-old John Will...