Samsung saw its profits leap by 41% in the first quarter of this year, thanks to a surge in sales of its smartphones.
Samsung's profits come as Apple faces increasing pressure to retain its reputation as one of the world's leading innovators after reporting its first fall in profits in a decade.
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In an open letter to Jeremy Corbyn, senior Labour figures said Labour needed to present an alternative to the Tories' "destructive Brexit".
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The US first lady travelled without her husband to support the Invictus Games, which were founded by the Prince in 2014.