Part of the Birnbeck Pier in Weston-super-Mare has collapsed.
The walkway of the historic structure - the north jetty - has fallen into the sea. The structure was listed in the top ten most endangered buildings by the Victorian Society.
The Birnbeck Regeneration trust has been campaigning to save the pier but strong winds and high waves caused a large part of the structure to fall into the Bristol Channel.
A picture of the collapse was tweeted by Shane Burney:
The Grade II-listed pier - the only one in Britain to lead to an island - opened in 1867. It shut in 1994 and has since fallen into disrepair.
The Trust are now calling for efforts to be made to stop the rest of pier collapsing:
A trust spokesman said the north jetty had taken "a hell of a battering from Storm Frank" and collapsed overnight.
We cannot let this happen to the rest of the pier, so please join our increasingly-urgent campaign to save a unique piece of Victorian history
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