Drugs and weapons seized, multiple arrests after police operation at Guertin arena in Gatineau, Que.

Fifteen people have been arrested during a police operation outside the Robert Guertin Centre in Gatineau, Que., where a homeless encampment has been located for months.

Police launched an operation to move 13 trailers and evict residents from the parking lot outside the Robert Guertin Centre in Gatineau, Que. Thursday morning, where a homeless encampment has been located for months.

Officers with Gatineau police and the Sûreté du Quebec moved in at 6:30 a.m.

In a media release, police said officers were executing five search warrants for narcotics in trailers, focusing on five of the 13 trailers still on the site.

In an update Thursday afternoon, police said officers seized several weapons, including a machete, a crossbow, a rifle, several air guns, baseball bats and improvised weapons, such as billiard balls in a sock.

Also seized was more than 1,000 suspected methamphetamine tablets, cannabis, crack, prescription drugs and other substances that have yet to be identified.

Fifteen people were arrested. Two were released without charge, two were released with charges pending, and 11 remain in custody. The 11 people who remain in custody are facing charges including breach of conditions, threats, weapon and drug possession, and assault on a police officer, according to police. Additional arrests and charges are possible, police said.

At the request of the City of Gatineau, police issued a formal eviction notice to occupants of the encampment on municipal property, with an officer informing people in the trailers who refused to leave "they were illegally occupying municipal property."