Students and families were reunited in emotional scenes after the shooting at Arapahoe high school in Colorado.
A 15-year-old girl was in critical condition after the shooting, suspected to have been carried out by an 18-year-old, Karl Pierson, who police say apparently shot himself at the scene.
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Police in Catalonia said the man killed was wearing what looked like an explosives belt.
As Big Ben falls silent for four years of renovation work, why not test your knowledge of the iconic London landmark?
Female football fans were asked to show their bras to stewards during security searches, a supporters' group has said.