Across
I'm sorry I cursed chum cavorting with sexy fencer (6,2,6)
Refurbish room with oddly loud glossy alloy (6)
Possess hotel in high building where councillors meet (4,4)
Sound made by mobile form of nitrogen (8)
Onset of torsion in spine twisted part of foot (6)
Crib support for window-cleaners? (6)
Black box for high fliers (3,3)
Some shrug and acknowledge state of Africa (6)
Get back Labrador perhaps? Not all of it (8)
Appropriate small items often mentioned with fixtures (8)
Calm chief occasionally cuts salary (6)
RSM, say, trains for new aircraft (7,7)
Down
Develop tract in a region that’s unexplored (5,9)
Imitate what precedes foxtrot (4)
Pretend dope's managed to impress university (6)
Old fellows perplexed with eastern magnolia, perhaps (3,5)
Get engaged in middle of game show (4)
Mark alternative produce (6)
Cook Celtic veal from state-owned agricultural unit (10,4)
German drops cereal (5)
One’s about to consume American hot and cold food (5)
Tendency to restrict radical education (8)
Painting in the open air nearly all cancelled (6)
Pity stormy February’s extremes are representative (6)
Diver disheartened the navy (4)
Prepare to shoot fowl (4)
Type letters or click words in the clue