18d) Settled on one way out in a dispute (8)
19a) Sea forces Tsar to retire east to entrance to Sochi 96)
21a) Anger about German software in U.S. city (3,5)
22d) Humourless cop, deaf possibly? (2-5)
23d) Get rid of obstruction in river (6)
Many thanks in advance for your help.
Just got back from hospital app today.Am on holiday in Greece for next two weeks as from tomorrow so probably won't be getting the Daily Mail for a while.See you all when I'm older.