The widow of journalist Jamal Khashoggi, who was murdered by Saudi agents in 2018, has demanded an apology from Crown Prince Mohammed bin Salman for her husband’s killing after he called it a “huge mistake”.

Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago, according to a study published on Wednesday.

MI5 has warned UK lawmakers of suspected Chinese spy profiles on LinkedIn, prompting an official espionage alert across Westminster.