The vehicle involved in the deadly crash has been previously observed street racing in Tampa, according to police.
Three victims died at the scene and a fourth victim died at the hospital, police said.
The number of injured rose from 11 to 13 when two victims "after the initial release, self-transported to a local hospital," police said on Saturday. In total, two patients remain in critical condition, two were treated on the scene and not hospitalized, two were admitted and then discharged, and seven others are listed in stable condition, police said.
