A radio report said a Sport Utility Vehicle (SUV), bearing KEX 246 plate number, lost control and plowed through the plant boxes on the central island of the flyover from the southbound lane.
As the SUV crossed over to the opposite lane, it hit an Asian Utility Vehicle (AUV) causing the AUV to ram into the center island.
The AUV, with an AAM 2365 plate number, reportedly carried five nurses.
Two bottles of liquor were also found inside the SUV.
The Metropolitan Manila Development Authority Metrobase said the incident reached its office at 2:22 a.m. The accident was cleared at 5:37 a.m.
The victims, who suffered mostly head wounds, were brought to Rizal Medical Center and Medical City.