I think my brain is frozen i'm stuck on24d reason for everything be-fore after why and 1d a source of spurious infovovertly for ornithologists 6,4 and is 12a meshy ta in advance
stuck on 3 clues 10a when heroes surround the e.r for a celebration drink 6d its an abhorrence to so vilely hate a man , anethema? 17d not much to pay for a shortened sentence 3,6 , low tariff?