Semina Halliwell, who was 12, died on June 12 2021, three days after she took her mother’s prescription medicine.
Kyrees Sullivan, 16, and Harvey Evans, 15, died on the evening of May 22 2023 when they crashed on an e-bike in Ely, Cardiff.
Sir Keir Starmer had twice declined earlier on Monday to say she would remain in the role until the next general election when asked by journalists.
Colchester Zoo said the rhino called Astrid had been sparring with her son Tayo when she tried to move the zebra called Ziggy out of the way.