Police used water cannon and tear gas to try to disperse protesters, as Selin
Girit reports
Riot police in Turkey have used tear gas and water cannon to prevent demonstrators defying a ban on protests on Istanbul's central Taksim Square.
The Anatolia news agency said several demonstrators were injured and at least five detained.
Intensive security measures were in place, and roads and streets near Taksim Square closed to traffic from the early morning.
The BBC's Selin Girit followed an activist attending the protests throughout the day
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