A timeline of events in Friday's deadly shooting in Fredericton. All times in Atlantic time:
7:07 a.m. Local resident David MacCoubrey is awakened by the sound of three gunshots just outside his bedroom window, followed by 17 more gunshots over the next hour.
7:10 a.m: Police receive a call about shots fired in the 200 block of Brookside Drive.
7:45 a.m. Nearby resident Travis Hrubeniuk hears a steady stream of police sirens along Brookside Drive.
7:47 a.m. Fredericton police send a tweet cautioning people to avoid the area around Brookside Drive due to an "ongoing incident."
7:53 a.m. Police advise people living in the area to stay in their homes with doors locked.
8:17 a.m. Police tweet that there has been a shooting that caused "multiple fatalities."
8:31 a.m. Police confirm that four people have been killed in the incident.
9:30 a.m: After firing an undisclosed number of shots, police arrest a 48-year-old Fredericton man inside an apartment. He is taken to hospital
9:49 a.m. New Brunswick Premier Brian Gallant issues condolences to the victims and their families and urges residents to follow police instructions.
10:12 a.m. Prime Minister Justin Trudeau sends a tweet saying his "heart goes out" to everyone affected by the shooting.
10:28 a.m. City police confirm that two of their officers are among those killed.
11:05 a.m. Police lift the lockdown on the area and say there is no further threat to the public.
11:06 a.m. Horizon Health, the local health network for the city, said multiple shooting victims were being treated at the Dr. Everett Chalmers Regional Hospital.
11:22 a.m. Police tweet that the suspect is being treated for serious injuries related to the shooting.
4:30 p.m. The fallen officers are identified as Const. Robb Costello, 45, and Const. Sara Burns, 43. The civilian victims, a man and a woman, aren't named.
