Cryptic crossword No 3,680

Across

1. Set tea out in grounds. (6)
2. Correspond to meet again when exiled. (8)
3. Reserve, briefly unaccounted for, accepts a Nice bed. (7)
4. Starting late, change direction after Avignon bridge for castle. (10)
5. Raising the stakes produces eruptions here. (4)
6. Success a bit like a 20 across? (7)
7. Chinese rebellion proclaimed by group to secretarial department. (6,4)
8. Later, Sir surprisingly gives second chances. (8)
9. Lack of progress detected within Sandinista sisterhood. (6)
10. Embrace old writer. (4)
11. Revolutionary Month sees Communist leader engaged in fresh reboot. (7)
12. Say nothing inside country about this month. (3,8)
13. Letter posted outside shelter fosters collaboration. (7)

Down

1. 2 down’s father flipped over international crisis. (4)
2. Lack of purpose results in neglect. (8)
3. Paradoxically, reading this might have calmed things down. (4,3)
4. Sporting venue where Barbie doll is instructed according to Spooner. (6,5)
5. Reportedly wrongly endorses visionaries. (7)
6. Cheered after African emperor died. (6)
7. English uniform found in ranges of colours for insignia. (10)
8. Long live leaders of virtue, industry, valour and energy! (4)
9. Call made on Parisian 9 down for parity. (7)
10. Essentially, this to Richelieu was momentous. (8)
11. Extremely lucky tribe resettled internally gets freedom. (7)
12. “Death enables glory” revealed Goddess of War. (6)
13. The French, removed from productive land rise up in wave of protests. (4,6)