4 'associates' of dead passenger arrested in connection to incident; mayor says cab driver 'heroically' locked vehicle's doors, preventing 'awful disaster' at nearby hospital

Home secretary orders review of parliamentarians' security measures, and says police and authorities to implement 'immediate changes and measures'

Minister describes scenes as 'upsetting,' demands full report on police scuffles with demonstrators at protest held, despite virus restrictions, over murder of Sarah Everard

Probe comes after British MPs express outrage when smart speaker mines partial quotations from websites, cites sources lacking credibility to produce false, anti-Semitic answers

British interior minister stresses move is a 'precautionary measure and is not based on any specific threat'

Suspect remanded in custody for questioning; police rule out a hate crime or any links to gang violence or terrorism; 2 remain in critical condition

Politicians, celebrities and others lead mass sign-off, sparked by what they say is social media giant's inadequate response -- a 7-day ban -- to UK rapper's anti-Jewish rant

Despite initial reports suggesting the opposite, local force says attack 'not currently being treated as a terrorist incident'

In letter, top officials urge social media giant to build backdoor to ensure law enforcement will be able to see content if need arises

Dominic Raab to serve as new foreign secretary, Sajid Javid appointed chancellor of the exchequer, as Boris Johnson clears house on his first day as prime minister