UPDATE: According to the Bexar County medical examiner's officer, at least one man died as a result of the accident. No other details were provided about the victim. Officials have also not released any information about other possible victims.
Two 18-wheelers collided on I-35 South and Somerset late Wednesday evening.
Officials provided few details but video from a KENS 5 crew on the scene appeared to show first responders attempting to get someone out of one of the vehicles.
We will update this story as new details become available.