I am amazed that there haven't been more questions. Maybe I am being particularly dim today. I am left with four: 30D: Bypass victim of contracts being overturned O?I?. 52A: Maybe packed saloon bars the centre of attention C?R??? 54A: Called from field after it turns light Y?L??? 43D: Sticks up for rightr to take posession of daughter ?R?T????. Solutions and explanations would be most welcome. I don't think that I have ever spent quite so much time with a crossword finding a solution and then working out the wordplay.
Many thanks Bibblebub BUT (and there's always a "but", isn't there? ) 52A is only 6 letters and it's now C?R?U? It looks like "CIRCUS" but I don't understand?