Tuesday briefing: After an historic shift in power, where might Plaid Cymru go next?
mayor [promised he would](https://www.theguardian.com/politics/2026/may/18/andy-burnham-vows-change-labour-direct-challenge-keir-starmer) “change Labour” and win back the voters the party had lost.
3. ***US news*** | Five people, including two suspects, were [killed in a shooting](https://www.theguardian.com/us-news/2026/may/18/active-shooter-report-san-diego-islamic-center)