Police launch arson probe after three vans were set ablaze in Southampton early this morning.
Fire Erupts on Spring Road
Fire crews rushed to Spring Road shortly after 7am following frantic calls reporting vehicles on fire. 
Road Shut as Forensics Hunt Clues
Authorities closed the road for hours, gathering forensic evidence at the scene.
Vandals Smash Windows and Toss Flammable Liquid
The vans are believed to have been deliberately targeted. Suspects smashed windows and threw flammable liquid inside to ignite the blaze.
