CRYPTIC CROSSWORD No. 17,016

ACROSS: 1 Judders. 5 Phoebe. 9 At stake. 10 Optical. 11 Owl. 12 Wilfred Owen. 13 Squat. 14 Indecorum. 16 Blighters. 17 Atlas. 19 Concentrate. 22 Old. 23 Eyesore. 24 Version. 26 Stairs. 27 Limoges. DOWN: 1 Jealous. 2 Disillusionment. 3 Era. 4 Shell. 5 Protrudes. 6 Outed. 7 Backward-looking. 8 Plenum. 12 Watch. 14 Ineptness. 15 Chase. 16 Bicker. 18 Sidings. 20 Emoji. 21 Anvil. 25 Ram.