The Weekend one reminds me of one we had on Cryptic Stations which was e This was Mile End - though I, like Chalky was put off by the capitalization - and was looking for a "head" or "top" answer. [MF] I thought Raak had got O - you're saying not ?
Crosswords are generally filled in in all upper case, so I think "K" is valid. For "bust down reason", would this be something to do with not wearing a bra? I can't think of a 9-letter way of expressing that though.