King Abdullah II of Jordan will meet the Prime Minister David Cameron at Downing Street later today.
His visit follows the approval of a treaty designed to trigger the removal of radical cleric Abu Qatada from the UK.
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The announcement came a day after a famine was declared in two areas of South Sudan following three years of civil war and severe inflation.
It is unclear what their alleged plans were.
Anti-terror police are currently questioning the men who were arrested at three separate locations in France.