1: Former leader's relative with bit of tension in stomach (4, 3)
6: Native American involved in drug problem exposed (5)
9: Working on mental topic? (13)
10: Frost to cover the cake (3)
13: On return, for example, put back costume (3-2)
15: Excessive melodrama ruined their acts (9)
16: Hearty policeman plugs frozen treats (3,6)
19: Sluggish trainer takes part (5)
21: Bobbed beneath in playful attempt to drown journalist. (6, 5)
22: Prohibit an attorney's organization (3)
23: Finish suddenly, like an oboe? (1, 4, 2, 3, 3)
24: Fittingly, use following heart transplant (5)
25: Speak about bad deal in time for bargains (4,3)