19 February 2014
Rio de Janeiro's leaders hope the Olympics and World Cup will turn the city into a world-class capital. But crime threatens progress.
President Barack Obama says new, co-ordinated sanctions from the US and EU will continue to make Russia's "weak economy even weaker".
The US collegiate sport authority, the NCAA, offers to settle concussion-related lawsuits by former athletes with a $70m (£41.3m) medical fund.
A burst water main causes flooding along Los Angeles' Sunset Boulevard at the University of California, Los Angeles, officials say.
A girl who was struck by a plane that crash landed on a Florida beach on Sunday and killed her father dies of her injuries.
Is Obama at fault for global turmoil?
The tech firm helping San Francisco's tough Tenderloin area
Kerry's diplomatic efforts draw fire from Israeli media
The summer movies criticising US drone policies
Congressman mistakes US officials for Indian diplomats
Can Republicans take advantage of US voter apathy at polls?
How musical Fiddler on the Roof became a surprise lasting hit
Scientist claims 'child prodigy' getting credit for his discovery
The Great British Bake Off returns next week with a tricky challenge