LIVE: Boris Johnson stands down as an MP with immediate effect - latest updates

Boris Johnson is resigning as an MP with immediate effect over Partygate.

The former Prime Minister accused a Commons investigation into whether he misled Parliament over partygate of attempting to “drive him out”, the former prime minister said in a statement.

He also used his resignation letter to deliver a stinging attack on Rishi Sunak's Government.

In it, he said: "“When I left office last year the government was only a handful of points behind in the polls. That gap has now massively widened,” he said.

“Just a few years after winning the biggest majority in almost half a century, that majority is now clearly at risk. Our party needs urgently to recapture its sense of momentum and its belief in what this country can do."

We will bring you the latest updates in the blog below.

Here is the full text of the statement

“I have received a letter from the Privileges Committee making it clear – much to my amazement – that they are determined to use the proceedings against me to drive me out of Parliament.

“They have still not produced a shred of evidence that I knowingly or recklessly misled the Commons.

“They know perfectly well that when I spoke in the Commons I was saying what I believed sincerely to be true and what I had been briefed to say, like any other minister.

“They know that I corrected the record as soon as possible; and they know that I and every other senior official and minister – including the current Prime Minister and then occupant of the same building, Rishi Sunak – believed that we were working lawfully together.

“I have been an MP since 2001. I take my responsibilities seriously.

“I did not lie, and I believe that in their hearts the Committee know it.

“But they have wilfully chosen