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
In an embarrassing setback for the president, Republicans failed to reach the number of votes to pass his new healthcare act into law.
It will feel pleasantly warm in the sunshine, with temperatures reaching 12 or 13 Celsius (54 to 55F).
Some of Britain's biggest stars of the stage and screen will be honoured at Buckingham Palace later today.