Canal ranger Mark Baker (pictured) says they don't know why it started sinking. It is possible the contractors who were doing the tree surgery work dropped heavy logs into the boat and pierced the hull. Or it might have simply rusted through over the years.
More top news
A teaching assistant from Melksham has been jailed for child sex offences. Kevin Cousins' crimes were uncovered after a child spoke out.
The couple were driving from their wedding in Bristol to a hotel in Newquay when the snow hit.
Hundreds of schools have taken the decision not to open.