Protester in Turkey
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Turkey protests in 90 seconds: How the crisis has escalated

6 June 2013 Last updated at 10:48 BST

Mass protests against the Turkish government are continuing as Prime Minister Recep Tayyip Erdogan returns from an overseas trip.

Mr Erdogan has completed a three-day tour of North Africa as demonstrators turned out in Ankara and other cities, many calling for him to quit.

The demonstrations spread after police cracked down on protests over the redevelopment of an Istanbul park.

Mr Erdogan has called the protests undemocratic, though his deputy has apologised for police violence.

James Reynolds reports on how the crisis has escalated.