Jo Johnson

Live updates

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".

Read the full story ›

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

Read the full story ›

Chris Ship Royal Editor

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

Read the full story ›

Boris and Jo Johnson share the family's trademark ultra competitiveness, but in many ways they are very different people.

Read the full story ›

Stanley Johnson, the father of London Mayor Boris, told ITV News he was "absolutely thrilled" that his son Jo has been added to David Cameron's team in Downing Street.

Mayor of London Boris Johnson's dad Stanley. Credit: Yui Mok/PA Wire

He said: "I'm absolutely thrilled at this wonderful appointment David Cameron has made, there is no doubting Jo's intelligence.

"He is delighted and I'm confident the Tories will get their act together in a big way.

"I wish my father had been alive to see this and I'll keep lobbying him to make sure the Tories stay green."

No 10 role for Boris' brother

Jo Johnson, the brother of Boris, sitting next to Prime Minister David Cameron. Credit: Twitter / David Cameron

David Cameron has tweeted a picture of his new policy board, which features London Mayor Boris Johnson's younger brother Jo.

The Prime Minister's tweet said: "I've been meeting with my new policy board, made up of MPs. I told them I want more ideas to help hardworking people."

Read: Boris Johnson's brother added to David Cameron's team

Read: Boris said it is 'great there is finally a Johnson in Number 10'

No 10 role for Boris' brother

The Daily Telegraph's political correspondent Peter Dominiczak has tweeted London Mayor Boris Johnson's reaction to his brother Jo heading up a Policy Unit in Downing Street.