Downing Street Chief of Staff Morgan McSweeney arrives for the annual Lady Mayor’s Banquet at the Guildhall in London, Britain, December 1, 2025. REUTERS/Chris J. Ratcliffe/File Photo | Photo Credit: CHRIS J RATCLIFFE The former chief of staff to U.K. Prime Minister Keir Starmer acknowledged on Tuesday (April 28, 2026) that he made a “serious mistake” by recommending Peter Mandelson be made British ambassador to the United States, but denied pressuring officials to ignore security concerns. Morgan McSweeney told lawmakers on the House of Commons Foreign Affairs Committee that it had been “a serious error of judgment” to back Mr. Mandelson, whose ill-fated appointment has left Mr. Starmer fighting for his job. Published – April 28, 2026 09:32 pm IST Share this: Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on Facebook (Opens in new window) Facebook Click to share on Threads (Opens in new window) Threads Click to share on X (Opens in new window) X Click to share on Telegram (Opens in new window) Telegram Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Click to email a link to a friend (Opens in new window) Email More Click to print (Opens in new window) Print Click to share on Reddit (Opens in new window) Reddit Click to share on Tumblr (Opens in new window) Tumblr Click to share on Pocket (Opens in new window) Pocket Click to share on Mastodon (Opens in new window) Mastodon Click to share on Nextdoor (Opens in new window) Nextdoor Click to share on Bluesky (Opens in new window) Bluesky Like this:Like Loading... Post navigation Over 100 fireworks units remain closed in Sattur, Vembakottai New office-bearers for World Veg Council