AUSTIN, TX — Nine people received medical treatment late Sunday morning after overdosing on the drug K2, a synthetic marijuana that has been at the center of multiple local emergencies in the past.

Austin-Travis County EMS medics said via Twitter that two men were rushed to Dell Seton Medical Center after overdosing on the drug, The incidents occurred within an hour of each other, with medics initially called to the scene at 11:30 a.m.

The site of the emergency beneath the Interstate 35 overpass along the artery's service road is the same location where multiple victims have been felled by the drug in the past.