The shooting that left two dead in the German city of Halle on October 9 was apparently live streamed on Twitch by the suspect.
Two people were killed in a shooting in the eastern German city on Wednesday, and police say they have the suspect in custody.
Amazon, who owns Twitch, confirmed to CNBC that the incident was live streamed on their platform as it happened.
Twitch quickly released a statement after it was discovered the the gunman was using the streaming service during the attack.
“We are shocked and saddened by the tragedy that took place in Germany today, and our deepest condolences go out to all those affected,” a Twitch spokesperson told CNBC.
“Twitch has a zero-tolerance policy against hateful conduct, and any act of violence is taken extremely seriously. We are working with urgency to remove this content and permanently suspend any accounts found to be posting or reposting content of this abhorrent act.”
The German shooting is the latest instance of a suspect using a live streaming platform to broadcast their act in an attempt to draw more attention to themselves.
Other companies have dealt with similar problems in the past, like Facebook Live, where the New Zealand Mosque shootings, which claimed 50 lives back in March.
Facebook said it had to remove over 1.5 million videos of the attack that were posted within 24 hours of it happening.