The president's closest allies turn against him as pressure builds for him to step down.
Gen John Hyten says that instead he would work to agree a legal alternative with a president.
The Argentine naval submarine went missing on Wednesday with 44 crew on board
What Roy Moore tells us about US politics
Why some Germans see themselves in Syrian refugees
New images show North Korea's submarine programme
How can there be famine in a place with lots of food?
The Mugabe dynasty failed but which others remain in Africa?
Brazil's culture wars heat up
Should you give 'clean sleeping' a go?
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