Across
High-altitude bases offering exceptional aspect from Alps (5,9)
Chap stopping fool in afternoon meal getting some water (6,3)
Bird regrettably chokes (5)
English easy about rubbish (5)
Bitterness shown by Turkey abandoning Mediterranean port in campaign (9)
Ruin, perhaps as a march crushes Left (8)
Border gradually moving (6)
Idyllic spot in Sudan axed following setback (6)
Moderate team primarily needing a goal to equalise? (4,4)
For example, a toothbrush might initially get rid of persistent pain (9)
Old bandmaster provided by America (5)
Large old ship that's broad and slow (5)
Turkey with plain dressing served around northern resort (9)
Beneath loose pants, grip is inferior (14)
Down
European tax-based changes more than sufficient to encourage antisocial behaviour (3,1,3,7)
Son of David rating peace for Israel — that's not hard (7)
Ignoring poll, shouted about celebrity with a glossy exterior (9)
Final flag hoisted above ship's stern, done in desperation at the eleventh hour (4-4)
Corridor covered with it — rising fungus and lichen, say (6)
In seconds, forget about people slain with daggers (5)
Refuse working with international telecom pioneer (7)
Deceiving band in double-cross that's been planned throughout (9,5)
Embellished by dodgy press dude (7,2)
Negative duo that won't bond on record is entering retreat (4,4)
Heartless upstart right to cut gas for which there's no charge (7)
Pseudo switched, heading for interdisciplinary church organisation (4,3)
Explains about constant contributors to immune response (1-5)
Steak essentially rubbery in quality (1-4)
Type letters or click words in the clue