A fire that destroyed a public library at a school in Cambridgeshire was accidental.
Forensic experts have completed their investigation into the blaze at Sawston Village College, and think it was caused by a hot air gun.
More than 1,000 pupils returned to the classroom this week, after Thursday's evacuation.
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Very cold with snow showers and significant wind chill. Temperatures dropping to -3 deg C (27 F)
Tributes have been paid to a 25-year-old man from Essex who was found dead in a river in "unexplained" circumstances.
Feeling very cold and mostly sunny today with some snow showers overnight. Top temperatures reaching only 2 deg C (36 deg F)