Several people have been injured after a train came off the tracks near the Swiss village of Tiefencastel, around 30 miles from the ski resort of St Moritz.
The Swiss air rescue service Rega said it had two helicopters at the scene.
More top news
It looks like another very warm day, with a maximum temperature close to 27 Celsius (81F).
The Prince of Wales is expected to be named a future head of the 53-nation body after receiving a public endorsement from the Queen.
Heavy artillery and airstrikes have been used to pummel Yarmouk, ITV News correspondent Dan Rivers reports.