No 12089, Friday 18 Aug 2017, KrisKross

ACROSS
1   Pop off to participate in race — it's not hard (6) FLOPPY {FL{POP*}Y}
4   Inexperienced girl ran into criminal (8) IGNORANT {G+RAN+INTO}*
10 Control the others outside school (9) RESTRAINT {RES{TRAIN}T}
11 Bird, first from England to go around the world (5) DRAKE [DD] First was Magellan See comments
12 Incentives limit us, unfortunately (7) STIMULI*
13 They are involved in rows every day (7) OARSMEN [CD]
14 Understand it could be anything from 0 to 9 (5) DIGIT {DIG}{IT}
15 How to make taco for a traitor? (8) TURNCOAT {TACO}* [RA]
18 Practice on vehicle, for the ultimate ride (8) REHEARSE {RE}{HEARSE}
20 Like to arrange one's home, say (5) ASSET {AS}{SET}
23 Unprofessional friend in a city of ancient Mesopotamia (7) AMATEUR {A}{MATE}{UR}
25 Shake three times, adding a drop of milk inside (7) TREMBLE {TRE{Milk}BLE}
26 Intensify beginning of rapid change in India, after leader is removed (5) RAISE {Ra..d}{pAISE}
27 Pant, tired, worn and scared (9) TREPIDANT*
28 Drinking cups in brown, dark, blue, and a shade of silver (8) TANKARDS {TAN}{DARK*}{Si...r}
29 Setter and the lady had become engaged (6) MESHED {ME}{SHE'D}

DOWN
1   Evergreen tree finally dies…perhaps it could provide warmth (8) FIRESIDE {FIRE}{DIES*} (Correction - {FIR}{treE}{DIES*} - See comments)
2   Coup — essentially, a covert operation for removing leader (7) OUSTING {cOUp}{STING}
3   Leg spin? (9) PIROUETTE [CD]
5   What you do while playing in the beach to get experience (3,4,4,3) GET YOUR FEET WET [DD]
6   Stranger from revolutionary Communist party (5) ODDER {RED}{DO}<=
7   Following a treatment for amnesia, son dies — it could be a life-threatening condition (7) ANAEMIA {A}{AMNEsIA}*
8   Maid from bar near small US city (6) TWEENY {T}{WEE}{NY}
9   Reprinted items could be understood wrongly (14) MISINTERPRETED*
16 Auditor's notices to cashier for an amicable settlement (5-4) CEASE-FIRE (~sees){CEASE}-{FIRE} Nice one. My COD
17 Gave evidence — "Had to win cricket match by fraud eventually" (8) ATTESTED {AT{TEST}E}{f..uD}
19 Daughter perhaps runs away to get happiness (7) ELATION rELATION
21 Back in Calais, sailor gets a shower and time to rest (7) SABBATH {c...iS}{AB}{BATH}
22 Struggling actor wins Oscar ultimately — it's an incentive for performance (6) CARROT {ACTOR}* over {o..aR}
24 Swelling a bit, excitedly made out (5) EDEMA {Ex...y}{MADE*}

GRID