The Sunday Crossword (2857), Sunday 06 Sep 2015

ACROSS
1   Horrible stranger's second sin (10) TRANSGRESS {STRANGERS}*{S}
6   Bitter revolutionary in predicament (4) ACID [T<=]
9   Projecting part, large one attached to a plant (7) LOBELIA {LOBE}{L}{1}{A}

10 Lie concocted with certain freedom (7) LEISURE {LIE*}{SURE}
12 Fight back, restricting opening of secret files (5) RASPS {RA{Se...t}PS<=}
13 Number, day by day in urban area, subdued (5,4) TONED DOWN {T{ONE}{D D}OWN}
14 False idol accepted by foolish curates (11) TREACHEROUS {TREAC{HERO}US*}
18 Mad to keep new vehicle around rear of insecure jail (11) INCARCERATE {I{N}{CAR}{C}{i...rE}RATE}
21 Church right with trade union in tendency to show conviction (9) CERTITUDE {CE}{R}{TI{TU}DE}
23 Some campaigns win great change (5) SWING [T]
24 I arrive to unwind in coastal region (7) RIVIERA*
25 Outlaw protected by pseudonym mostly in country (7) ALBANIA {AL{BAN}IAs}

26 Promoted thus by lord (4) SOLD {SO}{LD}
27 Colony's resolution (10) SETTLEMENT [DD]

DOWN
1   Swallow in group coming north over Spain with speed (8) TOLERATE {TOL<=}{E}{RATE}
2   Surprised to get exhausted after a mile (8) AMBUSHED {A}{M}{BUSHED}
3   Cleric's safe if involved in generous action (4-9) SELF-SACRIFICE*
4   Cook when in decline (5) ROAST {RO{AS}T}
5   Give love, seized by urge for glory (9) SPLENDOUR {SP{LEND}{O}UR}
7   Company happy about entry form (6) COUPON {CO}{UP}{ON}
8   Colouring fading, according to report (6) DYEING (~dying)
11 Essential corruption of a penniless bid (13) INDISPENSABLE*
15 Cheer on cue stirring passion (9) ENCOURAGE {ON+CUE}*{RAGE}
16 Disagreement's very bad in a race (8) VARIANCE {V}{IN+A+RACE}*
17 Police officer having material on worker? (8) SERGEANT {SERGE}{ANT}
19 A great many scratches (6) SCORES [DD]
20 Nonsense from learner following ambition (6) DRIVEL {DRIVE}{L}
22 Cut up court? Correct (5) EXACT {EXA<=}{CT}

GRID