The Ministry of Defence has told ITV News that the Pembrokeshire-based soldier killed in Afghanistan today had been in the country for less than a month.
His tour was due to last for 9 months.
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An inquest is to be held into the deaths of four family members who died when their car was involved in a crash near Aberystwyth in June.
Cold and windy with sunny spells and showers of rain and snow.
The charity says the increase is partly due to people calling for help sooner, instead of attempting to rescue themselves.