Clashes broke out between police and protesters in Athens on Friday after thousands marched to mark the 16th anniversary of the police killing of a teenage boy, whose death triggered Greece's worst riots in decades. <br /><br />About 5,000 people joined the annual march to commemorate the fatal shooting of Alexandros Grigoropoulos, who was 15 at the time.<br /><br />Read more at https://tinyurl.com/4pxfnvca<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline