ST. LOUIS – Fire crews were on the scene battling a heavy fire at a vacant structure in north St. Louis Thursday morning.

The fire occurred on the 2600 block of Union Boulevard near Highland Avenue in north St. Louis’ Kingsway West neighborhood.

FOX 2’s Bommarito Automotive Group’s SKYFOX was above the scene watching crews put out the fire. Officials say the building was a vacant, two-story structure that had heavy fire extended from the second story through the roof.