Computer firm Microsoft is hurrying to fix a bug with the Internet Explorer browser after it emerged that hackers have already exploited the glitch with attacks on US companies.
Microsoft said the bug could allow hackers to take over a computer, install malicious programmes and create user accounts.
Cybersecurity firm FireEye said so far there had been "targeted attacks seemingly against U.S.-based firms, currently tied to defence and financial sectors".
More top news
Residents are to be evacuated from a tower block in Camden, north London, to allow "urgent fire safety works" to take place.
Rain in places tonight. Turning windy overnight.
Jon Platt's conviction brings to an end a legal battle over unauthorised term-time absences that went all the way to the Supreme Court.