7a After somethng to drink, had a meal to finish off (9) 10a Sad about relative, he is a thug (8) 17a Nine to five, he goes round the old city (7) 28a Fault admitted by assistant returning to stock up (9)
16d Fastening that becomes undone a problem on undergarment (4-4) slip down ?
7a Liquid + ate ........ Liquidate
10a S (kin) + (he) ad .... Skinhead
17a Nine + V + he<< ........ Nineveh
28a Help er + sin <<<<<< ......... Replenish
16d Slip Knot