The Prime Minister leads parliamentary tributes to Lady Thatcher.
Members of both the Commons and Lords mark the death of the former Prime Minister.
David Cameron tells MPs that Lady Thatcher was an "extraordinary woman".
The Labour leader, Ed Miliband, describes the former Conservative leader as a "unique and towering figure".
The Lib Dem leader, Nick Clegg, says Lady Thatcher made an "indelible imprint" on the nation.
Sean Curran and team report on today's events in Parliament.