Isle of Man Post is warning its customers could be affected by industrial action in London today (Friday).
The Communications Workers Union has also announced action in Edinburgh, Bristol, Darlington, Stoke-on-Trent, Plymouth, Norfolk and Essex.
Post is being forwarded as normal but it may be delayed if it is being sent to an affeted area.
Normal service will resume on Saturday.
MNH implores public not to try and remove graffiti
Charity will do so 'carefully' to avoid further harm to stonework
New dental service to open on Monday
Manx Care seeking to recruit additional staff
Farmers union plea after dog attack
Sheep and cattle attacked in north of the Island
Murdered teen's parents: "Christopher got a death sentence, we're living a life sentence"
Hopes ‘Christopher’s Legacy’ will inspire change around knife crime on IoM
