Across
Something online for minors, I say, drinking liquor (4-4)
See 7
Warning of mass extinction, now all kicking off (4)
Something sinister locked in extremes of nature for post-apocalyptic writer (5,5)
Light bracket formerly placed behind sack, oddly (6)
Relative bound by fancy contract (8)
Terrible mistake detailed about one reaching end of game, extreme temperatures — with this? (7,6)
Figure is covering page in magazine (7)
Ballet move: sweep featuring sliding over of booty (8)
26a
In fiendish Satan's triumph, hope's ending for God (3,3,8)
Parched, so a brandy mixed with last of lemonade (3,2,1,4)
2d
Critical time off: no, quite the opposite (4,4)
See 1
See 22
Down
25a
Substance producing effect, bringing about 15 3 (8,5)
See 24 across
Send down rook, queen half hidden (7)
Not quite everything contained by flood barriers after a rise — in this? (3,5)
Capable of grasping vacuous ideas, help ne'er arranged (10)
9a
Very much that's heartbreaking with empty pockets, oh my Lord! (4,2,5)
Punched by Mafia's leader, Irishman doubled up is an informer (5,5)
Social affair thus far coming up, cut by a fraction (3,5)
Hackney's condition is surprising (8)
Bang on about Italian author's good manners (7)
Promoting toilet humour ultimately, Paul regularly immature (6)
Belief in 22 26 is hard in worrying times (6)
With gas on, a temperature warmer? (4)
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