 Following a review of constituencies by the Boundary Commission appointed under the House of Commons (Redistribution of Seats) Act 1949, parliamentary seats in the metropolitan boroughs of Bethnal Green, Hackney and Stoke Newington were redrawn.The Hackney South constituency was abolished, with most passing to a new Hackney Central borough constituency, and some parts to Bethnal Green.Russell was appointed Attorney General for England and Wales, requiring a by-election.