The Duke of Edinburgh will be presenting medals to the Royal Marines at a private ceremony at Norton Manor Camp.
Our Somerset correspondent David Woodland is there:
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As the sun sets and a warm day we'll be facing a much chillier night. Rural places could see temperature dropping to as low as 6 °C.
After a lovely sunny day, we'll have a clear but chilly night with temperatures, especially in rural places, dropping to as low as 6 °C.
Charles Howeson has been sentenced to seven years and six months for historic sexual offences against eight young men between 1985 - 1994.