Game bugged & lagged for all 10 players - Lost LP and my duo mate got demoted. Please help!

Just had the most bizarre game ever. All 10 of the players experienced constant lags (range 300 - ~). We could not move, we could barely use chat. 2 of the opponents kept pushing mid (they claimed that they cannot see anything but they were scumbags hopeing that the system will get them free LP and in fact it did) and finished game in 19th minute. Now I lost LP and my duo mate got demoted to silver 5. Any chance we can get this game removed from our history and get our LP back!? Thanks
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