A harrowing Air Canada flight from New Jersey to Nova Scotia was diverted to Boston after the captain suffered a medical emergency, reportedly a seizure. Passengers bravely stepped in to assist the cabin crew, helping to restrain the pilot for nearly 40 minutes while the first officer expertly landed the aircraft.

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.