30 July 2014 Last updated at 02:24

US and EU expand sanctions on RussiaRussian President Vladimir Putin attends a ceremony to commemorate the anniversary of the beginning of the Great Patriotic War against Nazi Germany in 1941 in Moscow - 22 June 2014

President Barack Obama says new, co-ordinated sanctions from the US and EU will continue to make Russia's "weak economy even weaker".


Florida Matt Patchan (71) and Marcus Gilbert (76) look on as Florida quarterback Tim Tebow lies on the turf after being sacked during an NCAA college football game against Kentucky in Lexington, Kentucky 26 September 2009Deal on US college sport concussions

The US collegiate sport authority, the NCAA, offers to settle concussion-related lawsuits by former athletes with a $70m (£41.3m) medical fund.

Major Theoadore Dutch Van Kirk, left, navigator of the Enola Gay walks through building 9204-3, the Calutron facility, with Bill Wilcox, the original engineer on the Manhattan Project, at the Oak Ridge National Laboratorys Y12 plant Friday, June 9, 2000, in Oak Ridge, TennLast Hiroshima bomb crewman dies

The last surviving member of the team which dropped a nuclear bomb on Hiroshima, Theodore Van Kirk, has died aged 93.

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