Canadian film on the theft of Einstein's brain among Hot Doc world premieres

FILE - This June, 1954, file photo shows renowned physicist Albert Einstein in Princeton, N.J. (AP Photo, File) FILE - This June, 1954, file photo shows renowned physicist Albert Einstein in Princeton, N.J. (AP Photo, File)

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Ukraine dam collapse triggers emergency, Moscow and Kyiv trade blame

The wall of a major dam in a part of southern Ukraine that Moscow controls collapsed Tuesday, triggering floods, endangering Europe's largest nuclear power plant and threatening drinking water supplies as both sides in the war rushed to evacuate residents and blamed each other for the emergency.