Two dead after shooting on the Southside

A deadly shooting on Tucson's Southside left two dead and two with serious injuries.Tucson police responded just before six this morning to the 2500 block of east Aerospace Parkway.
Officers made their way into the desert where they found 4 people with gunshot wounds. All of them were transported to the hospital.
TPD told News 4 Tucson -- the investigation is still ongoing."Our detectives and investigators are searching the scene and collecting evidence. we have several witnesses we are speaking