32 people involved in 18 car pile-up on I-35 upper deck

ATCEMS says only 1 adult was transported to the hospital with non-life-threatening injuries. (Austin-Travis County EMS)

Austin-Travis County EMS says 32 people were involved in an 18-vehicle collision on the I-35 upper deck early Sunday morning. 

Photos of the scene tweeted by ATCEMS show multiple vehicles rolled over.

ATCEMS says only 1 adult was transported to the hospital with non-life-threatening injuries.

At this time it is unknown what caused the incident. 

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