Support for striking workers declared by 600 Labour councillors

Exclusive: Open letter puts pressure on party's stance on strikes amid talk of coordinated autumn action

More than 600 Labour councillors have declared their full backing for all rail, postal, dock and other workers on picket lines, as the party comes under continuing pressure over its stance on strikes.

Amid a wave of strikes over pay and increasing talk of coordinated industrial action this autumn, the councillors signed an open letter saying they offered full solidarity and support" to the Rail, Maritime and Transport workers' union (RMT), the Communication Workers Union (CWU), Unite and others.