Major health and safety concerns have been raised in Ramelton after a section of the river wall collapsed overnight.
High tides washed away part of the structure last night, leaving a large hole in the wall.
There are now fears locally that further high tides could result in more of the wall tumbling out onto the main road, creating a hazard for both residents and motorists.
Donegal County Council is monitoring the situation closely.
Journalist with the Tir Chonaill Tribune John McAteer was at the scene today: