Ontario Fire Department responded to reports of a subject injured following a pursuit termination. CHP and West Covina PD were in pursuit of a white SUV occupied by four. At about 4:00 a.m., CHP reported the driver was heading eastbound on the I-10 with officers in chase when he exited the freeway in Ontario and continued onto city streets, going wrong way for a short period. During the pursuit, according to witnesses, the driver crashed into a semi truck and continued. The pursuit came to an end with the driver being transported to a local hospital with unknown injuries and three taken into custody. According to witnesses, the driver also attempted to ram an officer's vehicle. The cause behind the pursuit is unknown at this time.