Across:
8 Mark’s successor (EURO- successor to German mark) linked to capital punishment (capital ‘punishment’ = -P-) for extreme crime (extreme ‘crime’ = -E) (EUROPE) in our community (EUROPE),
9 Bland music (ELEVATOR music) giving one a lift? (ELEVATOR / lift),
10 Stopped to think (mused), scratched the head (m) (‘mused’ without ‘m’ = USED), and applied it (USED),
11 A steps of steps in the case of emergency (ROPE LADDER) for an executioner going to work perhaps (ROPE LADDER),
12 Female (F-) from Basel (Basel = -ABLES) travelling (= anagram indicator) (FABLES) with legends (FABLES),
14 Jim (“Jim” = “gym” = GYM-) said (= homophone indicator) Stan (Stan = -NAST-) Duff (= anagram indicator) went to school (-S) (GYMNASTS) with people practicing at The Bar perhaps (GYMNASTS practice on bars),
15 It’s a measure of Mr Universe (VITAL STATISTICS) or important (VITAL) figures at the CSO (Central Statistics Office have STATISTICS) (VITAL STATISTICS),
18 Sour (OFF-) port (-P-) is (-IS-) taken with a fair amount (half of) of Pâté (half of ‘Pâté’ = -TE) (OFF-PISTE) – that’s one slippery slope! (OFF-PISTE),
20 Mercifully drops clue (‘mercifully’ drops ‘clue’ = mrifly = FIRMLY) with conviction (FIRMLY),
22 Rap (= anagram indicator) artists (artists = TRA-SIST-) covering One Direction (north = -N-) on old (-O-) Capital Records (Capital ‘Records’ = -R) (TRANSISTOR) and the wireless (TRANSISTOR wireless radio),
24 Not wild (TAME) raising (= reversal indicator) what’s contained in source material (what’s contained in source material = emat = TAME),
25 Go off (= anagram indicator) or call in (or call in = CARILLON) for set of bells (CARILLON),
26 Removes all traces of (ERASES) mill from Marseilles (‘mill’ from ‘Marseilles’ = arsees = ERASES).
Down
1 Airs (airs = R-SIA) broadcast (= anagram indicator) across America (-US-) (RUSSIA) and part of Eastern Europe (RUSSIA),
2 Sample of prosciutto – a different (sample of ‘prosciutto – a different’ = TOAD) type that’s no good (TOAD),
3 An obsession (NEUROSIS) with one of the notes (N-) coming out of the mint (-EURO-) for a fair amount of (half of) Crisis (half of ‘crisis’ = -SIS) (NEUROSIS),
4 Excerpt of YouTube episode (excerpt of ‘YouTube episode’ = BEEP) synonymous with The Road Runner (BEEP),
5 Bag first (‘bag’ first = B-) medal (medal = -EDLAM) playing (= anagram indicator) (BEDLAM) in chaos (BEDLAM),
6 In prison (YARD-), governor (-MASTER) (YARDMASTER) has a job keeping his charges on the right track (YARDMASTER in charge of railroad yard),
7 Party (DO-) leader momentarily (leader ‘momentarily’ = -M-) cites (cites = -ESTIC) convoluted (= anagram indicator) (DOMESTIC) family row (DOMESTIC),
13 Writer (LEAD PENCIL) raises eyebrows (eyebrow PENCIL) after (= positional indicator) show (show/guide = LEAD) (LEAD PENCIL),
14 Over the moon (GLAD-) on Eagle heading (‘Eagle’ heading = -E) (GLADE) for the clearing (GLADE),
16 Figure out (INFER-) going up (= reversal indicator) lane (lane), most of (e) (‘lane’ without ‘e’ = lan = -NAL) (INFERNAL) what is characteristic of the underground (INFERNAL),
17 Vogue (vogue/fashion = IN-) design (-FORM-) editor (-ED) (INFORMED) illuminated the story (INFORMED),
19 Screen for Gladiator (SHIELD) or The Guard (SHIELD),
21 First off (s), drop off (‘slumber’ without ‘s’ = LUMBER) the logs (LUMBER),
23 Ends first case in court (ends /last letters of ‘first case in court’ = TENT) that was well pitched presumably (TENT),
24 Taught initially (‘taught’ initially = T-) in school (-RAY) (TRAY) by one of those from the canteen (TRAY).