A HUGE DC BUG

When I was playing league two days ago, a huge DC bug that happened to my team. I DONT EVEN KNOW WHAT HAPPENED! Everyone just DCED expects for Varus and nothing happened to their team. I don't know what to do. I legit lost a Ranked game. I think someone might be hacking or some kind of cheats. I even recorded a video. The link is here If you guys want GO CHECK IT OUT. RIOT HELP PLZZZZZZ