Efforts to protect a section of coastline near Sidmouth have been hampered by recent stormy weather.
Cliffs at Pennington Point were to be shored up with shingle dredged from the River Sid.
But the shingle, left on the beach prior to being moved, has been washed away by high tides and bad weather.
More top news
Barry Pring died after celebrating his first wedding anniversary with his wife. His family believe he was killed for his money.
Devon Air Ambulance is warning people about the dangers of using laser pens, after one of its helicopters was targeted on an emergency call.
The parents of a missing man from Weston-super-Mare have made an emotional appeal for him to "come home" after he disappeared ten days ago.