Building work at the Paxcroft site near Trowbridge Rugby Club has been suspended while police investigate the accident. The site is managed by Ashford Construction.
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Helen has the forecast for Bristol, Gloucestershire, Somerset, Wiltshire and Dorset.
Helen has the forecast for Devon, Cornwall, Somerset and Dorset.
Students in the region celebrated their A-Level grades, although critics say the change to the education system creates too much pressure.