Washington's envoy Steve Witkoff arrived in Saint Petersburg early Wednesday to meet  with Russian President Vladimir Putin following what US Secretary of State Marco Rubio described as "positive" talks with  President Volodymyr Zelensky of Ukraine.

Sudan's civil war has spilled over into disputed territory, causing mass casualties along its border with South Sudan.

In the latest showdown from Brazil's increasingly rancorous presidential race Tuesday, both candidates called for the disqualification of their rivals over allegations of social media malfeasance, according to court filings and campaign officials.

Investors have been weighing the chance of an Elon Musk mega-merger between SpaceX and Tesla after he previously consolidated parts of his business empire.

The technology giant's London data centre reports "service disruption" as major banking institutions experience outages.

France's prime minister plans to meet unions on Wednesday to discuss security and has vowed a "massive" police deployment at protests, following riots in the past week that led to curfews and arrests.

UK police said Tuesday they have re-arrested two men on suspicion of spying for Iran, amid an investigation into a security scare at a British airbase used by the United States.

Russell Brand's fourth accuser has told a London court the entertainer sexually assaulted her at the radio station where she worked in front of his entourage, who did nothing.