A flight en route to Nigeria had to divert to Barcelona after a passenger on the plane died, triggering a medical episode involving a pregnant women Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice A British Airways flight had to make an emergency landing after a retired