PM urges Conservative MPs to back demand to replace Brexit backstop

Theresa May has urged Conservative MPs to support a demand for the controversial backstop arrangement in her Brexit deal to be replaced with "alternative arrangements".The prime minister has asked Tory MPs to back the position during a series of Brexit votes in the House of Commons on Tuesday.As she seeks to put pressure on the EU over altering the backstop, Mrs May will whip her party's MPs to support the proposal being spearheaded by senior backbencher Sir Graham Brady.