Stifling heat and broken toilets: TUI River Cruise passengers tell of their holiday hell

People went on a TUI River Cruise. They wanted a nice holiday. But the air conditioning did not work. It was very hot on the ship. Passengers felt unhappy. They told the BBC about their problems. The toilets were broken too. Many people were upset. They paid for a luxury trip. They did not get what they expected. The cruise was not comfortable. They were not happy with TUI.