1: Pious woman in underground hideaway (3)

3: Corpse apt to turn up in science fiction (5)

5: Aliens set off (3)

6: Increase fuss about outskirts of Detroit (3,2)

8: Very clever fish ain't at sea (9)

9: A supporter starting to mock President Garfield's middle name (5)

10: Fathers start to applaud, in afterthought (3)

12: Paradise without second shelter? (5)

13: Agree to make Lucifer wicked? (3)

1: Former name for joint audition (3)

2: Nits are possibly more unpleasant (7)

3: Dressing of malt and beans to make horse tender (9)

4: Refuse to obey a French hooligan (5)

7: Betraying no emotion when Greek god has first expired (7)

8: Woman on Swiss shore (5)

11: Begins seeing another divorcee? Deplorable. (3)