Two people were sent to the hospital Sunday, following a crash on Tucson's far west side.
According to a news release from Drexel Heights Fire District, crews responded to the area of San Joaquin and Old Ajo Highway at just before 1 p.m.
The news release described the crash as a "T-bone type collision with heavy damage."
Paramedics treated four occupants. Two were transported to a local trauma center for further treatment with serious injuries. The other two refused treatment.
The investigation is ongoing.