Tryndamere kills his teammate

This happened 6 July 2016 on live server. As you can see Tryndamere was at the blue side with Jax but he got killed by Tryndamere who even got gold from that. Sorry for the bad quality of the video. Also please upvote this on reddit : https://www.reddit.com/r/leagueoflegends/comments/4rks3p/tryndamere_kills_his_own_teammate/