A government minister says the departure of four Downing Street aides in a single day is a sign of Boris Johnson 'taking charge'.

Five of his closest advisers resigned within a day of each other.

Among them was his long-time policy chief Munira Mirza - who wasn't happy with his comments about Keir Starmer and Jimmy Savile.

Martin Reynolds - who e-mailed staff inviting them to bring booze to the Number 10 garden - also quit.

Here's energy minister and MP for Chelsea and Fulham, Greg Hands: