Another easy cryptic

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Across
  1. 4. Anagram cat in a terrible state, leading to foundation of democracy (5,5)
  2. 6. Brazilian city in conversation with ancient vehicle! (7)
  3. 8. Candle-topper - and French Cricketers focus on this! (6)
  4. 9. Peter's head compares merry jokes (6)
  5. 11. Be assessing or criticising (8)
  6. 12. The artful concealment of a major (5)
Down
  1. 1. Refuse to get worse (7)
  2. 2. I'm in a programming language? Danger! (5)
  3. 3. Charity based in pub in Northern Ireland (6)
  4. 5. Small monster heard to be eating (6)
  5. 7. Stir salad endlessly? Oh dear. (4)
  6. 10. Fury at what a cockney has in his wardrobe (5)