The PM has said his brother "does not agree with me about the EU because it's an issue that divides families and divides everybody".

'EU divides families' PM says as brother quits over 'unresolvable tension'

Mr Johnson, brother of former foreign secretary Boris Johnson, announced his decision in a letter and video on Friday.

Jo Johnson quits as transport minister over Brexit direction

Number 10 will fill the vacant positions on its Policy Unit today, with three replacements due.