Passengers aboard an Air Canada flight were forced into an extraordinary mid-air emergency response after helping cabin crew restrain a pilot who suffered a medical emergency, reportedly appearing to experience a seizure, during a flight from the United States to Canada. The dramatic incident occurred on Wednesday aboard Air Canada Flight AC7664, operated by regional partner PAL Airlines, while en route from Newark, New Jersey, to Halifax, Nova Scotia.

An Air Canada flight out of Newark, New Jersey, was forced to divert and land at Boston after the captain became "incapacitated" and a co-pilot had to take over.

MONTREAL - Air Canada says a pilot on a flight from Newark, N.J., to Halifax experienced a "medical issue" and the flight had to be diverted to Boston.