Solution No. 2748

Across

1 Lead astray a group of apprentices (6)

4 Astuteness shown by a copper confronting workers (6)

8 U.S. state capital, a leader in trade pact (9)

11 A quarrel about right marker (5)

12 Jam in cupboard (5)

13 Inspirational winning fling? It could be (9)

14 In which Olympic medals may be won, whatever happens? (2,3,6)

16 First-hand account of life behind bars? (6,5)

19 Second in command, without feeling, wrote cruelly (6,3)

21 Picture that is put in supplement? Just the opposite (5)

23 Priest may be caught out soon (5)

24 Mix up inn and cheap cafe (4,5)

25 Conservationists, aboard mystery tour, set about a task (4,2)

26 Shelter made from loose stones, indefinite number (6)

Down

1 Flee European scene (6)

2 Not relaxed in past, say (5)

3 Brass score incompletely orchestrated in parts of cycles (9)

5 Tease husband inside snack bar (5)

6 Singer-songwriter is merry, and so sad (9)

7 Recently developed mature philosophy (3,3)

9 Gibberish from one’s wife after large drink (6,5)

10 Novelist is wrong about English sets (11)

14 Historical land in area is Roman, I suspect (4,5)

15 One hilt, I fancy, comes initially from Skara Brae? (9)

17 Tracked vehicle kept in grounds - no Caterpillar (3-3)

18 Mostly dangerous northern river (6)

20 German artist, long ago, small number collected (5)

22 Entertain a goddess (5)