Lords reform: backbenchers threaten to revolt

9 July 2012 Last updated at 17:39 ET Help

Around 70 Conservative MPs have signed a letter arguing that the government's proposed radical changes to the House of Lords would undermine the Commons and threaten a constitutional crisis.

On 9 July MPs will vote on the shake up which would see most Lords elected rather than appointed as they are now.

Nick Robinson explains how it is being seen as a big test for the coalition.

BBC © 2013 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.