In today’s newsletter: After the dramatic events of Saturday night, White House security arrangements are under scrutiny and political violence is once again in the spotlight

Good morning. On Saturday night the annual Washington ritual of the White House correspondents’ dinner descended into chaos as the US president and first lady were evacuated after the event was interrupted by gunfire.

Journalists ducked under tables as authorities rushed Donald Trump and members of his cabinet out of the room. The president and his wife were unharmed, and a suspect is in custody – identified as Cole Tomas Allen, a 31-year-old man from southern California. In today’s newsletter, I will bring you the latest updates on what we know about the incident. First, the headlines.

UK politics | Labour figures from across rival factions have begun circulating informal proposals for an “orderly transition” of power away from Keir Starmer, the Guardian understands, shifting their discussions from whether the prime minister could be removed to how.

Europe news | Private jets laden with the spoils of those whose wealth swelled during Viktor Orbán’s years in power have been taking off from Vienna, while other individuals are racing to invest their assets abroad.

Trade | UK business leaders have called on the government to build an EU-style “trade bazooka” to protect Britain’s economic interests in response to the latest tariff threats from Donald Trump.

Middle East | Hopes of a breakthrough in negotiations between Iran and the US faded further on Sunday, amid a deepening sense of a deadlock in the nearly two-month-long conflict.

Science | Simultaneous exposure to toxic chemicals and climate change’s impacts likely contributes to the broad global drop in fertility.