1: The day ends with an unpleasant ancestral line (7)
5: The end, you say? On the contrary! (3)
7: The instruction for derelicts is inclusive (5)
8: Poor man's right to make powerless (9)
9: Polyamide used by many Londoners (5)
10: Polygraph unexpectedly traps vandal (3)
12: Ruddy rare steak, say? (7)