Valdo Calocane approached security at Thames House in 2021 but did not meet threshold for further assessment, public inquiry told

A man who killed three people during a 2023 knife attack in Nottingham had attempted to hand himself into MI5 for arrest two years earlier, an inquiry has heard.

Valdo Calocane, 34, fatally stabbed Grace O’Malley-Kumar and Barnaby Webber, both 19, and Ian Coates, 65, during a stabbing spree in the city on 13 June 2023.