Gay marriage vote: Peers defeat gay marriage block
4 June 2013 Last updated at 19:18 BST
Peers have voted to reject a so-called 'wrecking amendment' to the Marriage (Same Sex Couples) Bill, moving it a step closer to becoming law.
The House of Lords voted by 390 to 148 to reject the amendment, clearing the way for the bill to have a second reading.
The government wants same-sex marriages - which were approved by MPs last month - to be available to gay couples in England and Wales by next summer.