AUBURN – A veteran Maine State Police trooper accidentally shot himself in the hand Tuesday at his home.

Trooper Keith Frank was taken to the Central Maine Medical Center in Lewiston after his nondepartmental .45-caliber handgun discharged as he was entering his home at about 2:30 p.m., according to Department of Public Safety spokesman Stephen McCausland.

Frank was expected to undergo emergency surgery at the hospital, McCausland said.

Frank has been with the Maine State Police for 23 years and is a former member of the agency’s tactical team.