Trace the key events in the political row over donations to the Labour Party from Newcastle-based business David Abrahams.
See how David Abrahams made donations to the Labour Party
31 January 2003: Janet Dunn gives £25,000 to the Labour Party. David Abrahams is the source of the money.
6 May 2003: Janet Kidd, Mr Abrahams' secretary, gives Labour 25,000 on his behalf.
18 August 2003: Builder Ray Ruddick, donates £25,000 for Mr Abrahams.
12 January 2004: Mr Abrahams has solicitor John McCarthy donate £15,000.
1 April 2004: Janet Kidd donates £10,000.
27 October 2004: Janet Kidd donates £2,000.
5 February 2005: John McCarthy donates £25,000.
1 June 2005: John McCarthy donates £25,000.
22 December 2005: John McCarthy donates £52,125.
23 December 2005: Janet Kidd donates £30,000 and Ray Ruddick donates £17,850.
21 April 2006: John McCarthy donates £50,000.
24 May 2006: Ray Ruddick donates £50,000.
22 June 2007: David Abrahams donates £5,000 directly to Hilary Benn's deputy leadership campaign, no proxy is used.
28 June 2007: John McCarthy donates £35,000.
29 June 2007: Janet Kidd donates £38,000 and Ray Ruddock donates £24,000.
10 July 2007: Janet Kidd and Ray Ruddick donate £80,000 each. John McCarthy donates £55,000.
17 July 2007: Janet Kidd donates £5,000 to Harriet Harman's successful campaign to become the deputy Labour leader.
22 November 2007: Jon Mendelsohn, Labour's director of general election resources, writes to David Abrahams, asking for a meeting.
25 November 2007: Reports emerge that the Labour Party has received nearly £400,000 of donations from businessman David Abrahams who used middlemen to pass on the donations to the party.
26 November 2007: Peter Watt resigns as Labour's general secretary. He admits that he knew Mr Abrahams was donating money to the party via intermediaries.
27 November 2007: Prime Minister Gordon Brown says the donations were not lawfully declared and commits the party to repaying them. He also announces an internal inquiry. His deputy, Harriet Harman, says she accepted £5,000 in donations from Janet Kidd, but adds she was acting in "good faith" and did not know of the connection with David Abrahams.
28 November 2007: Liberal Democrat MP Chris Huhne asks the police to investigate the donations. Jon Mendelsohn's letter of 22 November to David Abrahams is made public.
29 November 2007: The Electoral Commission asks the police to investigate the donations. Chris Leslie, Gordon Brown's leadership campaign co-ordinator, confirms he suggested Mrs Kidd as a possible donor to Harriet Harman's campaign. Ms Harman tells MPs she acted "within both the letter and spirit of the law" in the row over David Abrahams' disguised donations.
30 November 2007: The police are expected to begin their investigations. Justice Secretary Jack Straw says: "Gordon Brown had absolutely no knowledge of any connection - inappropriate connection - between Mr Abrahams and Mrs Kidd. Neither did I." Mr Brown says he is "ready to assist" any investigation. And the Conservatives demand a full inquiry into the granting of planning permission to a firm controlled by covert Labour donor David Abrahams.
1 December 2007: David Abrahams insists Labour's chief fundraiser, Jon Mendelsohn, knew of his plans to give the party money using proxy donors and had said it was "a good idea". Mr Mendelsohn denies this claim. Gordon Brown vows to reform party funding.
2 December 2007: Conservative leader David Cameron says it "beggars belief" that Gordon Brown knew nothing of the proxy donations to Labour. Scottish Labour leader Wendy Alexander says she will not quit over a donation which broke the rules.
3 December 2007:
Senior Liberal Democrat MP Chris Huhne says he is to speak to police to raise concerns about a planning deal involving David Abrahams. The Scottish National Party says Wendy Alexander is being used as a "human shield" by Gordon Brown. Mr Brown promises to move "quickly" to reform the funding of political parties.
4 December 2007:
The Conservatives call a Commons debate on party funding following the row over hidden donations to Labour. Meanwhile, the Jersey-based businessman Paul Green, who gave £950 to Wendy Alexander's campaign to become Scottish Labour leader, says there is "gross mismanagement" at the top of the party in Scotland.