ACROSS
Nocturnal visitor getting bishop to budge awkwardly (6) Total returned, containing copper secretion (5) Show agreement about the heartless and famous Liberate group at no cost (3,4) Following son, we're off to get some plumbing(5) Former pupil finding setting vulgar (7) Occasional piece of furniture that displays every element (8,5) Consider what a mirror does (7) Should have purchased missing front (5) Left in charge nextto old porch (7) Small cake has so upset ship's officer (5) Vote in the middle of the lecture (5) Thrifty fellow covering a lake (6)