Volunteer dies working on Pewsham Locks near Chippenham
A canal volunteer has died while working at a locks after a wall he was excavating collapsed on him.
Peter Konitzer, 63, from Chippenham, died on the canal path at Pewsham Locks in Wiltshire on Wednesday.
Wiltshire and Berkshire Canal Trust said it was "sorry to announce" a volunteer had been "fatally injured".
The trust said it was working with the police to "establish the background to this tragedy and any lessons we need to learn from it."
The Health and Safety Executive said Mr Konitzer was working on excavations at Upper Pewsham Lock on the outskirts of Chippenham.
It said he was excavating a lock wall when it collapsed on top of him.
A post-mortem examination is due to take place on Tuesday.
Wiltshire and Berkshire Canal Trust said its work to preserve and improve the route of the canal and was the "largest and most complex waterway restoration project now taking place in the UK".