4  A state line's not hostile (8)

 9  Crisp range packaging released (6)

10 Overwrought if centre's destroyed (8)

12 Tricks hospital after leader quits (4)

13 Doctor nearly arrived with books for cure (10)

15 Have a tantrum over new cooker (5)

16 Country welcomes king and its former president (6)

20 Mother leaves curry for each new person in East Asia (6)

21 In imitation of stern queen (5)

24 Over-regulated secure investments (4-6)

26 I leave capital seat (4)

28 Arcane Central American on broken toes (8)

29 Superficial profile about the Italian (6)

30 Avoid team's reflective sulk (8)

31 Engineers supplied ease (6)

 1  Service area killing (8)

 2  Special vintage can finally repay study (8)

 3  Indian messengers fail to start for ages (4)

 5  One wielding a stick perhaps scarred minor dreadfully (6,6)

 6  Against Georgia's party line (5)

 7  Stronger ale consumed by abstainer. Just the opposite (6)

 8  Mention supporting old charge (6)

11 I believed art represented thinking (12)

14 Setter's second note (4)

17 Heartless leading cleric's horse (4)

18 Poison's a complex protein (8)

19 Karma men take in for defence (8)

22 m-material lifted to become visible (6)

23 Old man cracked nut (6)

25 The media may be regularly perverse over a hint of scandal (5)

27 Girl's on-line transaction (4)