article_snippet: The 15-year-old was severely wounded after being hit on the head by a tear-gas canister fired by a police officer during anti-government protests in Istanbul in June 2013.
article_snippet: After spending 269 days in a coma, Berkin Elvan eventually died on March 11 last year.
article_snippet: Innocent: Berkin was on Berkin way to buy bread during anti-government street protests when Berkin was struck in the head by a high-velocity gas canister .
highlights_snippet: Teenager was in year-long coma after anti-government protests .
  