PORTLAND (AP) – A Portland police officer has pleaded not guilty to two felony and three misdemeanor charges arising from an alleged assault on his wife at their Westbrook home in March.

Thirty-nine-year-old Brian Regan, who maintains that he acted in self-defense, entered his pleas Tuesday in Cumberland County Superior Court.

He faces charges of reckless conduct with a dangerous weapon, criminal threatening with a firearm, domestic violence assault, criminal threatening and assault.

Regan, who has been on administrative leave with pay, remains free on $500 bail.