SpaceX's Starlink suffered one of its biggest international outages on Thursday when an internal  software failure knocked tens of thousands of users offline, a rare disruption for Elon Musk's powerful satellite internet system.

SpaceX's Starlink satellite network was back up and running on Friday as engineers hunted for the root cause of one of its biggest international outages the night before, a rare disruption for the powerful internet system set off by an internal software failure.

According to The Kyiv Independent, the outage affected Ukrainian troops who rely on Starlink terminals, citing a Telegram message from the military saying Starlink is down across the entire front. The military now says its connections are back online after going down for about 150 minutes, “the longest in the war.”