Toronto mayor Rob Ford has apologised for an expletive-ridden video in which he threatens to kill someone.
Mr Ford said he had been "very inebriated" while the video was shot and that the incident was "extremely embarrassing".
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The scan of the object will begin on Wednesday, with astronomers using four different radio frequency bands. It will last around 10 hours.
Wednesday will be cloudy with more breezy and wet weather for many of us.
They met the stars of the new Star Wars movie at the Royal Albert Hall in London, arriving on the red carpet to be greeted by robot BB-8.