FILE: Ankara police, activists clash on bombing anniversary Turkish police use tear gas and plastic bullets to prevent pro-Kurdish activists holding a protest to mark the one-year anniversary of the country's worst attack in its modern history in the capital Ankara. 103 people were killed on October 10, 2015 when suicide bombers said to be linked to Islamic State (IS) jihadists blew themselves up in a crowd of pro-Kurdish peace activists. FILE IMAGES ATTN: Images contain bloody flags.