More than two thousand teenagers have crossed the finish line of the annual Ten Tors Challenge. The teams of six have been hiking across Dartmoor since early yesterday morning, and camped on the moor overnight.
The event organisers say the rain and fog have made this year's conditions particularly tough.
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Here's everything we know so far about the Manchester Arena explosion.
Witnesses reported hearing a "huge bang" at the venue during the concert on Monday evening.
Mist and fog will not lift until the afternoon in the South West but it will warm up by the afternoon.