1: European King's threat reported (5)

4: Behind and down and out (3)

6: Plots get Cuban revolutionary leader in a terrible mess (7)

7: Difficult newspaper or novel (4,5)

9: Song about death for lover of Theseus (7)

11: Worthless even when recycled (3)

12: Swamp creature resting tail on a rocky outcrop (5)

1: Mediterranean leaves unfashionable coins? (3)

2: Void three stones (5)

3: Poor man's right to make powerless (9)

4: How to get around doing business, essentially (3)

5: Notes spent in Germany (5)

7: Wooded hillock forming part of Arthur's territory (5)

8: Centre of diamond is shrouded in fog (5)

9: Perform part of play (3)

10: In fear of wheat head (3)