The Prime Minister David Cameron and Chancellor George Osborne have ruled out introducing a wealth tax on high earners or an annual levy on expensive properties - two proposals central to the Liberal Democrats' plans.
Celebrities including Weakest Link presenter Anne Robinson and members of Take That have been exposed as participants in a £1.2bn tax avoidance scheme, according to reports.
Labour leader Ed Miliband has attacked the coalition government's decision to axe the 50p rate in his speech at the party's annual conference.
Labour would reinstate the 50p top rate of tax should it win the next election, party leader Ed Miliband has said.
Nick Clegg has said there can be "no question of reducing further" the top rate of income tax under the coalition government's watch.
One of the most influential Liberal Democrat members of the coalition has insisted the party will continue to argue for a mansion tax, targeting "unearned wealth".
Former HM Revenue & Customs (HMRC) head Dave Hartnett was presented with a "lifetime achievement award to corporate tax planning" by protestors who crashed an after-dinner speech.
The government is on course to raise £4bn from tax dodgers through a series of schemes cracking down on avoidance, Danny Alexander is set to tell the Liberal Democrat conference.