Overview

• At about 6:30 p.m. Monday, an on-duty North Andover officer shot an off-duty colleague during a court-order service at her Phillips Brooks Road residence
• The confrontation occurred across from an elementary school and left the off-duty officer and one other person injured
• Firefighters provided on-scene medical aid before the wounded officer was airlifted to a Boston-area hospital and declared likely to survive
• Essex County District Attorney Paul F. Tucker and Massachusetts State Police agents have opened a joint investigation into the rare intra-department shooting
• Officials will present preliminary findings at a 10 a.m. Tuesday press conference at North Andover police headquarters