BBC:

US Secretary of State John Kerry has arrived on an unannounced visit to Egypt as he begins a tour of countries in the region.

Mr Kerry, the most senior American official to visit Egypt since the ousting of President Mohammed Morsi in July, will stay only a few hours.

The visit comes at a time of tension between Washington and Cairo. Mr Morsi is due to go on trial on Monday.

Mr Kerry will go on to tour countries in the Middle East and North Africa.

John Kerry's visit to Cairo was kept under wraps by US officials until he landed - although Egyptian state media did announce his arrival - the first time a US secretary of State has travelled to Egypt on what is known as an unannounced visit for security reasons.

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