Croydon tram crash: Seven dead and 51 hurt in derailment

The number of people killed after a tram came off rails in south London has risen to seven. Investigators from the Rail Accident Investigation Branch said the tram had been negotiating a "sharp, left-hand curve with a speed limit of 12mph" when it tipped over. The driver was arrested after emergency services had to free several people who were trapped and took more than 50 to hospital.