20a get natural source of oilby mixing nitrogen with diesel [7]
23a but the ropyal princess' turning up should make it a bit easier to go [5] ??h??
26d lazed idly about then threw away ring and made a sudden attack [6] ???g??
24a the point is its a medical disaster [7] 17d hot favourite, home venue, still... sack whole team [8]
any help appreciated