Across
Poll tree — e.g. in fall — once fine leaves spoiled (7,8)
Slip where shopper gets in oriental drink? (7)
Greek with Welshman reportedly mischievous sort (7)
Have strong desire for this around river: start on Thames later? (6,5)
An individual regularly taking MDMA (3)
19a
(and 19 Across) Latest leader's greeting displaced Russian king accepts (5,5)
Weapon's grand one on tower (6,3)
Charlie, idiot and artist: one anticipates disaster (9)
See 13 Across
Small amount shortened performance returned (3)
Evil tendency in Models 1 (close to Holborn) (8,3)
Dope and speed in compound (7)
Fly circles Mike in cafe (3,4)
A romantic end to a smashing film? (8,7)
Down
King George: gourmand perhaps having increased size? (7)
Self-absorbed youth who finally made a bloomer? (9)
Romeo worried: shilling needed for local taxes (5)
Severely reprimanded innocent when seen with old rocker (9)
Line taken by leaderless crew shows brilliance (5)
Bleak where hail diminished? (9)
Digs in snow and ice? (5)
Get cloth from granny — and quick! (7)
Sailor, from Muscat perhaps, upset advanced lover (9)
Article is worked on (9)
Some, not quite enough, prepared for modern man (5,4)
Noted passage roughly skirting port close to Suez (7)
Butler to Charles no good as blood relative (7)
Rwandan expresses disapproval over India (5)
Anger shown by Geordie woman? (5)
Red fire extinguisher! (5)
Type letters or click words in the clue