Quick crossword No 327

Across

1. Astonished how final character announces their identity? (6)
2. Old measure's associated with British inventor (4)
3. Duke is seen in paper (4)
4. Ancient pronounced spring recipe rather starchy (3-7)
5. Mike replaces first of reversals in puzzle that's intermediate (6)
6. Crazy Dumb Blonde singer receives Portuguese greeting (8)
7. Topless, feel the heat in a state of confusion (6)
8. Leash may upset terrier (8)
9. "Let it snow" played around first of November in Hollywood (10)
10. Outlaw Scotsman's little chicken (6)
11. Tonnage of Westervelt's first racing boat (6)
12. One who fled corrupt regime (6)

Down

1. Up against it somewhat with fingerprint lifted inside (2,1,3,3)
2. French region's tradition enthrals your setter (5)
3. Where waders can be found in intermittently mouldy apartment (3,4)
4. Reserve in case of emergency (3)
5. Watch out for wee Rab misbehaving (6)
6. Like lead or another sort of metal (5)
7. Estuarine bird's eggs lifted by cheats regularly (6)
8. Maybe socialist went first (7)
9. A clue for "window" (5)
10. It can be used to suck lumps up (5)
11. Centre of storm hitting turns it black (3)
12. Son, an unruly child, left school a dullard (9)