A grand jury in Cumberland County today indicted Brian Regan, a Portland police officer arrested on March 18 for allegedly assaulting his wife and firing a gun at the couple’s home in Westbrook.

The formal charges include two felony counts, for reckless conduct with a weapon and criminal threatening with a weapon. Regan also faces misdemeanor charges for assault, criminal threatening and domestic violence assault.

Regan, 39, maintains that his wife attacked him and he acted in self-defense. He has been placed on administrative leave with pay. Regan is scheduled to appear in court on May 27.