Labour MPs warned that Theresa May's worker rights vow 'not enforceable' ahead of crunch Brexit vote

Theresa May's 'half-hearted' promise to protect workers' rights after Brexit cannot be enforced, Labour MPs have been warned. The scathing verdict comes in a legal opinion sent to all Labour MPs by two trade unions ahead of Tuesday's crunch Commons vote on the Prime Minister's Brexit deal. In a bid to win Labour backing for her embattled agreement, Mrs May last week unveiled a string of pledges designed to protect workers' rights after Britain leaves the EU.