Trump news at a glance: president calls Charlie Kirk a ‘martyr’ at memorial

President says I hate my opponents'; Kirk's widow forgives shooter; Murdochs could be part of TikTok deal - key US politics stories from 21 September at a glance

Donald Trump gave a rambling, freewheeling address at the Charlie Kirk memorial in Arizona on Sunday, taking aim at Joe Biden and trailing a major announcement on autism as well as praising Kirk, who was shot dead on 10 September.

In front of a crowd of tens of thousands, Trump said Kirk was a great American hero" and martyr" for freedom. During the event he sat side-by-side with billionaire Elon Musk, a once trusted adviser with whom the US president had a spectacular public falling out.