Mike Waltz, Donald Trump’s national security adviser, has stepped down weeks after calls for his resignation over the Signalgate scandal.

The full tranche of text messages in which Donald Trump’s cabinet discussed bombing Yemen was released in March.

The major security breach saw an Atlantic magazine journalist invited into a virtual war room that contained precise plans for a US strike on Houthi targets.

In the “Houthi PC small group” chat, 18 officials, including Mr Waltz, JD Vance, the vice-president, and Pete Hegseth, the defence secretary, plotted intimate details of the attack and complained about Europe’s “pathetic free-loading”.

After denials and attacks from senior Trump administration officials, The Atlantic decided to release the Signal texts in full so readers can “reach their own conclusions”, citing a clear public interest.

Here it is in full: