NewsBeat
Another senior London Labour councillor joins Greens as wave of defections from Keir Starmer’s party continues
Mr McAsh is the Southwark Labour cabinet member for clean air, streets and waste. He follows Southwark councillor Sam Foster, who revealed in December that he had joined the Greens from Labour, and Rotherhithe councillor Kath Whittam, who also defected to the Southwark Green Party in November.