ST. LOUIS – Traffic on Interstate 270 is slowed down Thursday morning in the westbound direction near Interstate 170 due to a crash.

Traffic is backed up for several miles as of 9:30 a.m. Witnesses tell FOX 2 that pipes came loose from an 18-wheeler. Police are responding to the scene.

FOX 2’s Bommarito Automotive Group SkyFOX helicopter is headed to the scene. We will update as more information becomes available.