Nigel Farage says UKIP can become a major force at next year's general election after its victory in the Rochester and Strood by-election.
Ed Miliband says a Labour MP who quit her role after tweeting a picture of a house with three England flags and a white van parked outside "conveyed a sense of disrespect".
UKIP's win in the Rochester by-election was narrower than expected, says the prime minister, as he vows to work to win the seat back.
Labour's Douglas Alexander says the Rochester and Strood by-election result has sent "strong messages" to all parties and highlighted a sense of "alienation".
The Liberal Democrats blame tactical voting after getting less than 1% of the vote in the Rochester and Strood by-election.
Green Party leader Natalie Bennett says the Rochester and Strood by-election result is further proof of the "break-up" of the old political landscape.
Scottish First Minister Nicola Sturgeon announces the make-up of her new senior ministerial team, with an equal split of male and female members.
The British army is taking part in its largest armoured deployment to Eastern Europe for six years., in a show of support for the region, the Ministry of Defence says.
Government borrowing fell to £7.7bn in October, official figures show, down £0.2bn from a year earlier.
Stopping Parliament becoming a "ruin" could cost more than £3bn, with the possibility of MPs and Lords moving out temporarily, Newsnight learns.
A deal agreed to electrify railway lines in the south Wales valleys will have a "huge" impact, the prime minister says.
In a surprise move, the UK government has withdrawn its legal challenge to EU legislation that caps the level of bankers' bonuses.
A bill which aims to curb the role of the private sector in the NHS has cleared its first hurdle in the House of Commons.
HM Revenue and Customs has not properly investigated why a tax relief scheme has cost £2bn more than expected, according to the National Audit Office.
There is growing consensus amongst political parties on a reduced assembly, the NIO says, but Sinn Féin disagrees.
A tour of the Northern Ireland Assembly at Stormont.
The Liberal Democrats are set to back the transfer of powers over welfare to the Scottish Parliament, BBC Scotland has learned.
BBC Democracy Live takes you on a tour of the Scottish Parliament.
Plane-maker Airbus is investing £100m in research, development and training with £56m for its Flintshire factory.
A guide to the National Assembly for Wales.
UKIP's latest by-election victory has prompted a flurry of bets on the party securing more MPs at Westminster.
East Midlands MPs lobby for funding ahead of George Osborne's Autumn Statement.
Political analysis from around England
MPs question Prime Minister David Cameron.
Links to political parties and other useful websites covering UK politics.
Here's a full list of who is doing what job in David Cameron's new cabinet
The details of Labour leader Ed Miliband's shadow cabinet following the recent reshuffle.
Links to other Parliamentary broadcasters
With turnout just over 50 per cent at the Rochester and Strood by-election, Carole Walker reports on the growing disaffection among voters.
Liz Kendall says a Labour private member's bill would remove the worst bits of the huge Health and Social Care Act.