A special episode of the political review, with the Oldham West and Royton by-election.

Andrew Neil rounds up the political week with Alan Johnson and Michael Portillo.

American conductor Marin Alsop, the first woman to conduct the last night of the Proms in 2013, joins to discuss principles, while Emily Maitlis gives her take on the week in the round-up.

BBC Radio 5 live's John Pienaar is in Oldham as results start to come in from the Oldham West and Royton by-election. After the main programme, we will stay on air into the small hours until the final result from Oldham is in. Show less