Today, we look at the fall out after a journalist revealed that he had been mistakenly added to a groupchat where US security leaders were discussing air strikes in Yemen.

Many of the security officials on the Signal app chat have been testifying at a worldwide threat assessment hearing in the Senate.

Adam is joined by BBC chief presenter in Washington Caitríona Perry and former Pentagon top US government security official Celeste Wallander.

Plus, a lawyer investigating former Reform UK MP Rupert Lowe has found "credible evidence" he and his staff mistreated two female team members. He denies the allegations. Chris is on to explain what’s happening.

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Newscast brings you daily analysis of the latest political news stories from the BBC. It was presented by Adam Fleming. It was made by Chris Flynn with Anna Harris and Shiler Mahmoudi. The technical producer was Ricardo McCarthy. The assistant editor is Chris Gray. The editor is Sam Bonham.