Across:
8 Chamberlain ignores Cline (‘Chamberlain’ ignores ‘Cline’ = hambra = BRAHMA), as one of those creative types from India in Trinity? (the creator god in Hinduism, who forms a triad with Vishnu and Shiva = BRAHMA),
9 Gent’s (gents = TOILET-) tailor opening (‘Tailor’ opening = -T-) and closing waistline (closing ‘waistlinE’= -E) (TOILETTE) in the process of attending to one’s appearance (TOILETTE),
10 Hates leaving sunbather (‘hates’ leaving ‘sunbather’ = unbr = BURN) to soak up too much of the sun (BURN),
11 Guy (MAN-) copes with (-HANDLES) (MANHANDLES) shifts, in a rough sense (MANHANDLES),
12 Around (= reverse indicator) kilometre (-K) from Dublin (-D-), it’s an unseen problem (snag = G-ANS-) (GDANSK) for the port (GDANSK),
14 Wild (= anagram indicator) ostrich (ostrich = HISTOR-C) roaming around one (-I-) (HISTORIC) landmark (HISTORIC),
15 Most of those (s) in 18 across (‘forwards’ without ‘s’ = FORWARD-) dreaming about (= - THINKING) (FORWARD-THINKING) what’s involved in fortune telling (FORWARD-THINKING),
18 Rugby players (FORWARDS) shameless (FORWARD-) at first scrum (first ‘Scrum’ = -S) (FORWARDS),
20 Thunderously dismisses others (‘thunderously’ dismisses ‘others’ = unduly = UNDULY) excessively (UNDULY),
22 Graduate (BA-) carried (carried) out (= anagram indicator) (carried = -RRICADE-) extremely drunk (extremely ‘Drunk’ = D) (BARRICADED) and barred (BARRICADED),
24 Get rid of that obsession (KICK the habit) to kiss me quick on both sides (‘KIss me quiCK’ on both sides = KICK),
25 A (-A-) large (-L-) reception area (-HALL-) in Virginia (VA = V-A) (VALHALLA) is heaven to some who have witnessed fighting in the past (VALHALLA),
26 Recalls (= reverse indicator) hearing (= homophone indicator) encounter (‘meet’ = ‘meat’ = TA-EM) going around banks of Don (banks of ‘DoN’ = DN = -ND-) (TANDEM) by bike (TANDEM).
Down:
1 Roughly (AROUND) what you might acquire at the 19th hole (get ‘a round’ in golf clubhouse/bar = AROUND),
2 Get head around (think) finishing off (k) (‘think’ without ‘k’ = THIN) lightweight (THIN),
3 Reads the Riot Act in the house (LAWMAKER) to one of those trying to get rid of Old Bill (LAWMAKER),
4 Take someone’s breath away (STUN) with revolting (= reverse indicator) numerologist’s extremes (revolting ‘NUmerologisTS’ extremes = nuts = STUN),
5 Hop off cargo ship (‘hop’ off ‘cargo ship’ = cargsi = CIGARS) with Cuban products (CIGARS),
6 Unable to get agreement (DEADLOCKED) from 21 down (‘locked’ = -LOCKED) following (= position indicator) 23 down (‘dead’ = DEAD-) (DEADLOCKED),
7 Article (an = A-N) about most of them (most of ‘them’ = -THE-) from Ulster (Northern Ireland = -NI-) Association (-A-) (ATHENIAN) or the one conceived in Greece (ATHENIAN)
13 Modern (NEW-) society (-S) is deserving (-WORTHY) (NEWSWORTHY) of the journalists’ interest (NEWSWORTHY),
14 Is not able to stomach (HATES) running, (= anagram indicator) haste (haste = HATES),
16 Old (O-) type of music (-POP- music) artist – the first (‘Artist’ the first letter = -A-) to find fault (nag) endlessly (g) (‘NAg’ without ‘g’ = NA-) with mystery man (-X) (OPOPANAX) producing The Acacia Tree (the acacia tree = OPOPANAX),
17 Turn a blind eye without Beryl (‘turn a blind eye’ without ‘Beryl’ = tunainde = INUNDATE) Flood (flood/overwhelm = INUNDATE),
19 Hark back to the time (RECALL) when there was no wine in wine cellar (no ‘wine’ in ‘wine cellar’ = cellar = RECALL),
21 It’s not a jar (not ‘a jar’ = not ‘ajar’ = LOCKED) for drunk in the local sense (local ‘drunk’ = LOCKED),
23 Out of energy (DEAD) for visit? Stay off additives! (‘visit’ stay off ‘additives’ = adde = DEAD),
24 Ruler (KING) with some livestock in Germany (some ‘livestocK IN Germany’ = KING).