1: Inept casino confused the issue (4,2,5)
2: Fools around near hellholes (7)
3: Many sound prospects for prospectors (5)
4: Mongrels at each others' throats in this ruthless world. (3, 3, 3)
5: Intercom portended no East-West accord (7)
6: Crook skimmed cash register? (3)
9: Suggestions for obvious singles (9)
11: West abandoned mortals without a spot of confusion (9)
13: Enticements disrupt mental rules (11)
15: They hang on to legal fees. (9)
18: Hard to comprehend English version if scholars used Latin edition from the South initially (7)
20: Become less formal, and recommend accepting trio of Hawkeyes (4,3)
22: Pick a wrong angle (5)
24: A hint for the snooker champ? (3)