Across
- 3. Name of nuclear bomb dropped over the Japanese city of Nagasaki (6)
- 5. British WWI term for PTSD as a result of combat (5,5)
- 6. Ancient Greek physician, regarded to as Father of Medicine (11)
- 10. Type of nut usually used in making marzipan (6)
- 11. Latin term meaning "see above" (4,5)
- 12. Natasha, American actor, starring in American Pie or Netflix's Russian Doll (6)
- 14. US State bordering New Jersey, also a suburb of Exteter, UK (12)
- 16. In anatomy and biology, means 'on' or 'underside' (7)
- 18. Labour party politician, serving as First Minister of Wales as at 2021(9)
- 22. Ulrika, Swedish-British television presenter, known as a weather presenter (7)
- 23. Uncultivated upland, typically covered with heather (8)
- 24. Spanish for "The Slaughter", a traditional slaughter of pigs on November 11 (2,7)
- 25. Sounds of ---, 1966 Album by rock duo Simon & Garfunkel (7)
Down
- 1. Capital city of Iceland (9)
- 2. American noverlist, author of 'The Great Gatsby' and 'Tender is the Night' (10)
- 4. Jewish blessing, recited over wine or grape juice (7)
- 7. Frederic, Polish composer of the Romantic Era, noted for his nocturnes 1810-1849 (6)
- 8. Fructuoso, regarded to as the first president of Uruguay (6)
- 9. Month with the birthstone of Emerald (3)
- 13. Lightest, most abundant gas on Earth (8)
- 15. Second-largest state of Australia (10)
- 17. Pickled herrings, wrapped around a savoury filling (7)
- 19. Russian city on the Dnieper river (8)
- 20. The third-largest island of the Greater Antilles and the Caribbean (7)
- 21. The last of the four New Testament Gospels (4)