Across
Invincible perhaps informed on fellow prisoners (8)
I haven't cracked this one yet — but Fifteensquared have:
F(ellow) & LAGS – prisoners & HIP – with it, informed
Clean injured daughter's cut (6)
A mother's diatribe ending in hush ... and maybe tumbleweed! (8)
I haven't cracked this one yet — but Fifteensquared have:
A & MA – mother & RANT & end of (hus)H. Tumbleweed is a variety of Amaranth
Mythical wild East Riding? (6)
They can be made to measure under the arms (12)
I haven't cracked this one yet — but Fifteensquared have:
I assume it’s a cryptic definition
Drunk? That half-cut swine flipping is! (5)
I haven't cracked this one yet — but Fifteensquared have:
TH(at) half cut & GIT- swine all reversed – flipping
Meat Stein cooked for small bistro (9)
Concoction lethal for some -- e.g. cider I'm brewing (9)
Relish and egg behind sudden incidence of wind (5)
I haven't cracked this one yet — but Fifteensquared have:
GUST – wind & O – egg shape
Mama who sang about husband caught short! (12)
I haven't cracked this one yet — but Fifteensquared have:
H(usband) in (mama) CASS & TRAPPED – caught
Note bird going over beast (6)
I haven't cracked this one yet — but Fifteensquared have:
LA – note and MINA bird all reversed
Secret signal (8)
I haven't cracked this one yet — but Fifteensquared have:
Double definition
I provide a clue: Urchin terrier bites (6)
Broke up with sweet date (8)
Down
Mistake from Falcao oddly heading wide (4)
I haven't cracked this one yet — but Fifteensquared have:
Alternate letters of F a L c A o & W(ide)
American getting stuffed in half of finals unfortunately (4)
I haven't cracked this one yet — but Fifteensquared have:
A(merican) in half of (fin)ALS
The Gap and its new eatery serving this? (9)
Popular and married yet sadly broker (12)
Graduate in not finishing Observer crossword shock! (5)
I haven't cracked this one yet — but Fifteensquared have:
MA – graduate in most of the AZE(d) crossword
Intelligence head is propping up bar with Conservative (10)
I haven't cracked this one yet — but Fifteensquared have:
C(onservative) & LEVER – bar & NESS – head of a river say
Statement stupid idiot pens about nothing (10)
What suggests bee that releases amber nectar perhaps (12)
I haven't cracked this one yet — but Fifteensquared have:
The opening of Bottle is “B” Seen quite a few variants of this same clue over the years
Put on trainer in old vehicle (10)
Princess in straying goes for silver -- that's pushiness (10)
I haven't cracked this one yet — but Fifteensquared have:
AG – silver – replacing the late Princess DI in DI-GRESSION – straying
Pull first of many gents and aim to arouse (9)
I haven't cracked this one yet — but Fifteensquared have:
M(any) & [GENTS AIM]* aroused
Italian wine bar stocking the ultimate in Prosecco (5)
I haven't cracked this one yet — but Fifteensquared have:
End of (prosecc)O inside SAVE – bar, as in bar the rest often seen in betting odds
Henry IV of England's chamber (4)
I haven't cracked this one yet — but Fifteensquared have:
HAL – Henry & 4th letter of eng L and
Did leak drip? (4)
I haven't cracked this one yet — but Fifteensquared have:
Double def
Type letters or click words in the clue