A double homicide on the Las Vegas Strip may have been sparked by a spat on social media, and one man is now in custody on suspicion of the deadly shooting that was caught on a livestream in front of the famous Bellagio fountains,

Police described the shooting as “an isolated incident” and said that a possible suspect has been identified.

Police said there was a Zoox robotaxi in front of the fountains at the time of the shooting.