Halifax Regional Police say they will be conducting an investigation now that the Queen Mary 2 has returned to Halifax — its first stop since a crewmember went overboard off the coast of Newfoundland.

On Saturday morning, a 26-year-old crewmember from Chile went missing around 780 kilometres east of St. John's and is presumed dead.

In a statement, police said they are considered "the agency of jurisdiction" because Halifax was the ship's next port of call after the incident.

The Cunard cruise line said on Sunday that the ship and the Canadian Coast Guard had conducted an extensive search.

Investigators are on board today collecting evidence and speaking with anyone who had contact with the crewmember.

The Queen Mary 2 is scheduled to arrive in New York on Aug. 19.