Firstly, you will need proof of steamid which hopefully David could do. Also, you need the full logs as miia said. For all we know, you did throw the nade and he was right to kill you as a result, also him throwing the fire isn't rule-breaking in and of itself.

Firstly, you will need proof of steamid which hopefully David could do. Also, you need the full logs as miia said. For all we know, you did throw the nade and he was right to kill you as a result, also him throwing the fire isn't rule-breaking in and of itself.