An Air Canada flight traveling from Newark to Halifax faced a terrifying situation mid-flight when the captain experienced a medical emergency, reportedly a seizure. Passengers quickly intervened to assist as the aircraft began to swerve. The co-pilot successfully landed the plane at Boston Logan Airport, diverting from its original route. Emergency services were on standby, and the captain was transported to Massachusetts General Hospital for treatment. The flight had 61 passengers aboard, all of whom landed safely.