ACROSS

1 Picture Clue 5 Picture Clue 7 Sea concealing what cannot cling (5) 8 Blackwood (by one version) (5) 9 Tin lung, essential in very wet conditions (5) 11 Acrobat heads out to swim (5) 12 Picture Clue 13 Picture Clue DOWN 1 Picture Clue 2 Give sorrows the drink treatment? (5) 3 Figure of speech — at end of tightrope! (5) 4 Picture Clue 5 Picture Clue 6 Picture Clue 10 In central Ibiza — with a reason for absence (5) 11 Elementary degree — thus to Romans (5) Friday’s solution. ACROSS: 1 Tread water. 7 Omani. 8 Draw out. 11 Avoid. 13 Ice up. 14 Clay pit. 16 Until. 18 Beholden to. DOWN: 2 Rya. 3 Acid drop. 4 Anew. 5 Rattan palm. 6 Rotary Club. 9 Altitude. 10 Ogre. 12 Okra. 15 Yo-yo. 17 Tot.