Stuck on two interconnected clues.The 5th letter of the across clue coincides with the 5th of the down clue.22ac.Crazy,cold driving mist precedes Brtiish downfall(10).?RAI??RA?N. 13d. Support time in infirmary,for some it has to go(7,2 words)?TI??B? Thanks in anticipation for any help received.
Crack brain appears in Chambers as 'a crazy person' so look good to me.This means my answer for 20down is wrong!Green's fear company in trade association with limited purpose(7) ?CO?IDE