Double Crossword
1 Give a gratuity to the mounts and have a decisive impact (3,3,6) 9 Come alive at a deathwatch (5) 10 Made a keel sink in the Serpentine (9) 11 Where to sign when things are at stake (2,3,4) 12 Smack at the end of print run (5) 13 Pair of lugs, each left in ceremonial gowns (3,5) 15 Oddly glad to blow your gasket in mechanic’s workshop (6) 18 Slobber over dealer in bondage (6) 19 Continental accommodation on superannuation (8) 22 Assumed name was on a spanker’s back (5) 24 Lebanese bread containing pickled caper for each person (3,6) 26 Use due caution after missing out on university scholarship (9) 27 With molten core, it’s hot in the centre of earth (5) 28 Listeners add spice where a castaway’s washed up? (6,6) 1 Half-baked tart sparked a riot in restaurant (9) 2 Slice of tart with cheese crusts (5) 3 Nursing homes stuff photo inside tubing (8) 4 Part of a flower least amenable to cutting (6) 5 Use a Latin translation for Pacific islands (9) 6 Running race to overtake one girl (5) 7 Staff allowed hard core a form of early release (6) 8 Forbidding divorce before the end of college (6) 14 To stretch the truth may otherwise serve to a T (9) 16 Put an end to a boil, burst and cast off (9) 17 Barges in different directions (8) 18 Speaker went on about time of distance runner (6) 20 Walked behind skinhead when strung out (6) 21 Starting pistol went off (6) 23 Tied up in the middle of cavities in the skull (2,3) 25 Scent of chopped up marjoram or aniseed (5) 1 Therefore, as a result (12) 9 Rubber-soled sandal (5) 10 Be superior in quantity (9) 11 Fanciful (9) 12 Major Japanese city (5) 13 Collection of files of information (8) 15 Burrowing marsupial (6) 18 Wrenching of a joint (6) 19 Person of great and varied learning (8) 22 Covered with stones or concrete (5) 24 Insect, crustacean or arachnid (9) 26 Extemporise (9) 27 Long musical note (5) 28 Supremacy (12) Across: - 1 Unexpectional. 10 Intellect. 11 Teach. 12 Groom. 13 Ominously. 14 Likable. 16 Stand-by. 18 Rewards. 21 Atheism. 23 Plaintiff. 24 Aware. 25 Reeks. 26 Directive. 27 Straight-faced. 1 Choirboy (9) 2 Hot drink of port, lemon juice and nutmeg (5) 3 Expulsion of evil spirits (8) 4 Incalculably great in number (6) 5 Study of the nervous system and nerve diseases (9) 6 Seventh sign of the zodiac (5) 7 Packed away (6) 8 Fantasised, imagined (6) 14 Cloth used to cover the eyes (9) 16 Talk profanely (9) 17 Towards the Arctic (8) 18 Bacterial infection of a wound (6) 20 Concealed (6) 21 Pleasure gained from inflicting pain (6) 23 Kind of venomous snake (5) 25 Assassinated Israeli Prime Minister (5) Down: - 2 Network. 3 Xylem. 4 Eyesore. 5 Titbits. 6 Osteopath. 7 Amassed. 8 Singular. 9 Ahoy. 15 Bering sea. 17 Yammered. 19 Weakest. 20 Shindig. 21 At first. 22 Imagine. 23 Pork. 24 Accra.