The former Conservative MP Louise Mensch, who quit her Corby seat to move to America, has commented on her party losing her seat in the by-election:
Very respectable result indeed for whole Tory team against local anger at my resignation for family. & 20 LibDem marginals on target list
Ed Miliband claimed that Middle England was turning its back on David Cameron, after Labour won the Corby by-election on a 12.7% swing.
Labour today held Manchester Central and Cardiff South and Penarth constituency seats in their respective by-elections.