The gunman who shot dead two New York policemen told people "watch what I'm going to do" shortly before the killings, police say.
Asia's fourth largest economy, South Korea, cuts its growth forecast for this year and next as consumer and business sentiment weakens.
Sir Elton John and his partner David Furnish have officially married, nine years after they held their civil partnership ceremony.
For the first time, a wild gorilla is seen using a tool to eat food
Quora users name the fast, furious and plain funny
Religion and philosophy have wrestled with the question for thousands of years, but science has had little to say on the subject - until now. Could the cosmos have sprung out of nothing?
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