Across
1 ‘Horribly boring Belarus’: that’ll get the citizenry worked up (6,7)
8 Knocked back, it’s a wine from Piedmont (4)
9 Instagram entry displaying demon: about right to get ‘like’ (Jeff Koons’ work) (4-6)
10 Mark a git’s been given, being contrary — disgrace (6)
11 Senselessness involving stupidity, to start with! (8)
12 Dutch award initially rejected by German author, being big beast (9)
14 Letters from Greece – audible expressions of yearning (4)
15 Part of actualité ? (4)
16 Game hand makes you freak out (2,7)
20 Traditional halibut prepared with aïoli for starter (8)
21 What Everyman’s pen creates: like some Shakespearean verses (6)
23 In review: small bit of land where O Canada ’s sung, principally, alongside river! (4,6)
24 Even so, the writer’s a beast (4)
25 Interpret corner key, incorrectly, as aid in calculation (5,8)
Down
1 Oddly rejected Fruit Shoots; took rice dish (7)
2 Half-cut, putting together tacky jewellery (5)
3 Bishop’s left one part of hand covered in salve (3,4)
4 Aristotle unsure about act of stupid bravado (7,8)
5 2nd of August: Farah’s entered racing event, making maximum effort (6)
6 Here, one’s surrounded by Asian land ... or water!? (9)
7 Vacuous gadfly speeds, goes for a spin (7)
13 Each lad in resort gets Mexican food (9)
15 Prefer to include tip of liquorice, for taste (7)
17 Leaders from Antigua & Barbuda irritate king with trapped wind; this will be tricky (1,3,3)
18 Heading off, navigator defying gravity? (7)
19 Hoo-hah about cryogenic extract (6)
22 Primarily, Mesoamerican / ancient Yucatan, architecturally notable? (5)