St Petersburg marked earth hour by turning out the lights of Palace Square. Climate change protesters held a candle lit vigil at 8.30pm local time.
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Five women shared their views about whether Hillary Clinton's Democratic presidential nomination is a defining moment in US history.
The patient fired several shots at the doctor in a Berlin clinic before turning the gun on himself.
Hillary Clinton has made history to become the first woman to be nominated for president by a major US political party.