A plane full of British holidaymakers endured a return flight from the Caribbean that suffered so many mechanical failures it took four days to get home. Monarch flight 368 had been due to leave Tobago on Wednesday April 2. But after a journey that included an emergency landing in Barbados after smoke and fumes began to fill the cabin, the traumatised travellers did not reach Gatwick until the early hours of April 6 – almost four days late