A young woman who boasted on Twitter about clipping a cyclist while driving her car has told Daybreak that she has since been the subject of "malicious threats".
Emma Way, 22, lost her job after tweeting: "Definitely knocked a cyclist off his bike earlier. I have right of way - he doesn't even pay road tax! #bloodycyclists"
Ms Way was acquitted of driving without due care and attention and has apologised for her "spur of the moment" and "stupid" tweet.
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Mr Kim has made two recent visits to China.
The study looked at the development of 422 children over the course of eight years.
The president said they will come into force if China refuses to change its practices.