9 Across: 'Not a hardy tree?' It's 6 letters and the ones I've got are
_ A _ R _ _ ;
3 Down: 'He may go out for a bite.' 6 letters and the ones I have are:
_ N _ _ _ R ;
23 Down: 'Does evening work in clubs.' 5 letters and the second one is R;
and finally 26 Across: 'Hip replacements involving various services'. 5 letters and 10 letters. I think the second word is 'operations' and I just have 'O' as the second letter of the first word.