Ottawa Police Arrest 11 for Mischief, Assaulting Officers in Protest of Defence Trade Show

Police push a protester back as the rally blocks the street leading to the Canadian Association of Defence and Security Industries annual defence industry trade show CANSEC, in Ottawa, on May 28, 2025. THE CANADIAN PRESS/Justin Tang

The Ottawa Police Service (OPS) has deployed crowd control units and arrested anti-war and pro-Palestine protesters who were blocking a road leading to the city’s airport and a defence trade show.

Police said 11 arrests were made on May 28, with charges of mischief and assaulting police officers.