Cryptic crossword No 3,534

Across

1. British accept vaccines with foresight - twitchers might benefit from this (9,6)
2. Ring back about black American writer's demand for submission (8)
3. Insist on taking pear to media briefing? (5,10)
4. Asked to be undressed and reveal outline (8)
5. Despot displaying skulls regularly before function (6)
6. Inquire after Charlie's butt (4)
7. Search critics at broadcast features (15)
8. Dour Scot discarding old noisome fruit (6)
9. Kerosene possibly to treat late cancer? (10)
10. Methodical judge leaving St James' city in a mess (10)
11. Duke hugging queen before princes take current record, returning to basics (5,10)
12. Employed boss of New York Times? (4)

Down

1. Lamb eating hedge regularly; calf briefly doleful (9)
2. Give or take forcefully (7)
3. Puzzlingly dray might be found to meet standards (7,2)
4. Starting to develop odour of sodium (7)
5. Delinquent first couple of supporters limit Spurs (7)
6. Virgin expecting deity in childbed at start of holy scriptures (5)
7. Baby worried by gas (7)
8. Self-content before shocking treatment chosen (5)
9. Ada trusted Duke to withdraw, becoming impregnated (9)
10. Diogenes possibly disregarding most of diplomacy niceties (5)
11. Church singers very struck by selections (7)
12. Terribly sorry, cup needs initial sweetener for Charlotte (4,5)
13. In India tea drinking father beginning to try local bread (7)
14. Ropes ultimately work both ways for climbing partners (5)