UPDATE: Ralph Belzy returned to hospital on Tuesday morning. Our original article follows:
Montreal police are asking for help tracking down a missing man.
Ralph Belzy, 26, was hospitalized in downtown Montreal last week but disappeared on May 26.
He may be suicidal and aggressive.
Belzy is 1.75 m tall and weighs 70 kg (5'9", 155 lb) with dark skin, black hair and brown eyes.
Anyone who sees Belzy is asked to call 9-1-1, but not to interfere directly. Those who prefer to remain anonymous can call Info-Crime at 514-393-1133.