Cryptic crossword No 3,967

Across

1. Ask about returned deposit slips (6)
2. Guarded the most empty spa party (6)
3. Wise man traps Australian dog? (7)
4. In or out, swapped Judge for Lord (7)
5. Illness is terminal, reveals relative (6)
6. Blanchett, perhaps, after star turn regularly cut short (8)
7. Cited judge misconstrued (8)
8. Nearly break revolting torture instrument (5,4)
9. Opens road up before new section (5)
10. Sweet hairpiece (5)
11. Walk around universal fish (5)
12. Bows after alibi upset powers (9)
13. Conduct Britain: have restructured debt repaid first (9)
14. Croatia rarely contains jewellery (5)
15. A first-class burden to bear (6)
16. Harsh prince replaces Catholic tool (9)

Down

1. It's plain Curt is confused (6)
2. Forging location from a free clip faked (9)
3. Ambassadors include grudge in scribbled private notes (15)
4. Tease is prepared for being most tranquil (7)
5. Kills plants, one weed's first up (6)
6. Care for headless outsider (5)
7. Rest seem baffled for half a year (8)
8. Bone Bert and Vera silly (8)
9. What's left after son enters alien water naked (6)
10. Characteristic of the US: a violent crime and a hollow nausea (9)
11. Calm down UK sporty heroine when upset (4,4,5,2)
12. Cast Tom Hanks reading Orson Welles first (5)
13. Wear tatty clothes inside fabled megafauna (6)
14. Flight, without a right royal troublemaker (7)