Canadian police warn of possible copycat attacks after deadly shootout in Montreal

Assailant behind shooting that left three people dead wrote incel'-like manifesto that was posted by a far-right outlet

Police in Canada are warning of possible copycat attacks after three people died in a shootout in Montreal and the assailant's lengthy manifesto, which called for a new bloodletting", was posted online by a far-right outlet.

The document contains many of the hallmark grievances of the involuntary celibacy" - or incel" - movement in addition racist and misogynistic conspiracy theories.