Around 2200 hours, Box 1-4 sent Squad 8, Tower 1, and Captain 4 (Wise) to the intersection of S. 13th & Paxton Streets for an accident with injuries. EMS on location reporting heavy entrapment with at least one Class 1 patient. With the updated information, Captain 4 added Engine 6 and Wagon 4 to the box. Companies arrived to a 2 vehicle accident in the eastbound lanes of Paxton Street involving a passengar car and SUV with multiple patients. Crews worked for about 15 minutes to complete the extrication and prepare to go back in service.