How much trouble is Boris Johnson in? Maybe quite a lot

Analysis: A Kevin Keegan' moment, long inquiries and ill-advised comments about furnishings could be a dangerous cocktail

Inside Keir Starmer's office, jubilant aides described Boris Johnson's rant at prime minister's questions as his Kevin Keegan moment" - when the drip-drip of sleaze stories seemed to have finally rattled him.

The timing could not have been better for the Labour leader. The Electoral Commission opened its formal investigation, into whether the Conservative party broke electoral law over plans for donations to refurbish Johnson's flat, just an hour before the pair faced off in the House of Commons.