Turkish police have intervened in several towns to break up demonstrations, on the first anniversary of the death of a teenager who succumbed to injuries inflicted by the security forces during anti-government protests the previous year.<br /><br /> Several people were detained in Istanbul as they tried to gather in front of Gezi Park, the symbolic location at the origin of the 2013 rallies.<br /><br /> Elsewhere, in Ankara, water cannon was used to disperse hundreds of people protesting against police violence. Eleven people were reportedly detained.<br /><br /> They came to remember Berkin Elvan, just 14 when he was hit by a tear gas canister fired by security forces intervening in his Istanbul neighbourhood. His parents said he had gone out to buy bread.<br /><br /> After a long coma, the teenager died on March 11, 2014, prompting more large scale protests across Turkey.<br /><br /> No police officer has been prosecuted for his death.<br /><br /> As the boy fought for his life, then-Prime Minister Recep Tayyip Erdogan called him a “terrorist
