1. Diana could look like this (5)
2. Channel Islands' bird (7)
3. Iron river (8)
4. Writer goes back for air (7)
5. Mark Harris came from here (8)
6. It's so narrow, but it's here (5)
7. Info on water (8)
8. A part of UK in post (10)
9. Almost an old Roman river ……. (5)
10. ….seaweed, that is (6)