4  Fellow fatally swallows the healthier option? (3-3)

 9  Award including debut appearance of Oliver Reed (4)

10 Y - that's it? (3,2,5)

11 Foster's sign covered by newspaper (6)

12 Brings up U-turns about including the Queen in The Mirror  (8)

13 Source of excitement? An Ireland scrum (9)

15/18 X, say? (4,3,4)

16 Finally departed? Epitaph for a weakling (4)

17 Offensive city bar is devoted to luxury (9)

21 Drink is hot and fatty (8)

22 Not pretty, note: tweeted @Hieroglyph against electronic case (6)

24 Auntie's upkeep? Knitting nice fleece (7,3)

25 See 27

26 Most rational, building nests around oak's centre (6)

27/25/16D             1d 15/18 in full - bloody particulars! (3,3,4,7)

 1  Newspaper to ad-lib scandal? (7)

 2  Oddly, sow seed over earth for vegetable (5)

 3  Complex character - Hannibal, energy to the fore, advanced (7)

 5  Secondly, solve crossword without including fellow's city (6)

 6  Cut it fine when boiling pasta (9)

 7  Cuts of lamb, say, showing up in pies (7)

 8  Mid-motorway crime? (8,5)

14 17's GR8 you're texting - he's half American, note (9)

16 See 27 Across

18 See 15 Across

19 As the poet writes - or the opposite! (7)

20 Event in which American gets the record? (6)

23 Drunk, mean and irritable if up first (5)