Very much bringing up the rear on this one! Been a very busy week. Can anyone help with
22a Explore northern city and tolerate rowdy brawl D-N-Y-R-O-.
30a Russian secret police chief caught in wrongdoing A-B-R-A-
49d Formerly your second pound offered for antiseptic -H-M-L
Sure they're all easy: just got a tired brain!
Relying on you, folks: next Jumbo tomorrow!