OK - have 7 to go. They are:
4. Breaking news about a game ending with the whistle (6)
11. Ferryman, after taking drug, collapsed into river (7)
14. Game head boy, sick at heart-and no turning back! (7)
18. .... and some African elephants turned & reached the Arctic! (4)
20. Polly, a beginner, is welcomed by the assembled friends (8)
22, George joined the club of French banker (7)
25. Force last couple of ladies to get on horseback to get to the waterway (6)
Any subtle hints would be appreciated. Thanks.