Nadhim Zahawi has been sacked as Tory Party chairman, after an inquiry by the prime minister's ethics adviser found he had failed to disclose that HMRC was investigating his tax affairs.
The PM said Sir Laurie Magnus's inquiry made clear there had been a "serious breach of the ministerial code". Rishi Sunak asked for the probe after Mr Zahawi admitted paying a settlement to HMRC, including a penalty.
Sir Laurie said the MP had missed many chances to be open about his tax. In his report for Mr Sunak, he wrote: "Mr Zahawi's conduct as a minister has fallen below the high standards that, as prime minister, you rightly expect from those who serve in your government."