Labour MPs who have defected to The Independent Group will be targeted by Momentum in the coming weeks.
The grassroots organisation that helped propel Jeremy Corbyn to the leadership will stage events with “celebrities” in the constituencies of those who have split.
Laura Parker, Momentum’s national coordinator, slammed the defectors, including Chuka Umunna, for “working hand-in-hand with the Tories”.
On Wednesday the eight Labour MPs who have already quit were joined by Conservatives Anna Soubry...