1: Attacked with words to violate one's hearing (9)
2: Twice take heart over raven writers so-called ground parrots (7)
3: Had dressed formally without a hat (5)
4: Underwear contained an organ that made one think. (5)
5: Rebs to can fresh edible crustacean from southern states (5,4)
6: Escorted place for investment? (2,7)
7: Original caliph adds brave face to UK/Arab struggle (3-4)
8: Group of eight initially outwits coup to enter Tripoli (5)
13: Quiet time to bellow fall, for example (3,6)
14: Extra-radical worker getting tan (9)
16: Perhaps men sit and eat in a cafe (9)
17: Prisoners drawing in some light colours (7)
19: The most artless nearly tack on undershirt (7)
20: Dodgy queen is tender (5)
22: Studio sign initially obscured by swirling rain (2,3)
23: I love chewing up Mediterranean fruit (5)