Lobbying of MPs is set to intensify in the next 18 hours, after the government suffered a seventh humiliating defeat on its controversial Welfare Reform Bill.
Crossbenchers and others in the House of Lords will seek one more time to amend the Welfare Reform Bill to prevent a reduction in the money paid to disabled children.
As the Welfare Reform Bill returns to the Lords, the Lib Dems' deputy leader warns that benefits cap will "damage the lives of hundreds of thousands of children."