Owing to flooding between Exeter St Davids and Barnstaple all lines are blocked.
Owing to flooding between Liskeard and Looe all lines are blocked.
Owing to flooding between Par and Newquay all lines are blocked.
More top news
In her message Theresa May praised the "inspirational bravery" and "unbreakable spirit" of Mancunians in the wake of the blast.
ITV News has obtained exclusive footage of the moment armed police raided a house believed to be linked to the Manchester suicide bomber.
The Manchester Evening News set up a JustGiving page asking people to support the families of those affected by the suicide bombing.