The second most powerful man in Boris Johnson's government has resigned, after he refused the prime minster's request to sack his entire team of advisors. .
The chancellor of the exchequer - or finance minister - Sajid Javid quit just four weeks before he has due to deliver his first Budget.
He has been replaced by Chief Secretary to the Treasury Rishi Sunak - who just seven months ago was a junior housing minister.
Corin Dann speaks to London correspondent Olly Barratt.