TWO INJURED WHEN TRUCK AND TRAILER ROLLED OVER AFTER DRIVER LOST CONTROL. *PH THE TOW HITCH BETWEEN THE TRUCK AND THE TRAILER FAILED WHERE IT WAS WELD BETWEEN HEAD AND SHANK. ALTHOUGH BOTH TRUCK AND TRAILER ARE ATTACHED BY SAFETY CHAINS. CONSUMER NOTICED THAT THE WELD BETWEEN HEAD AND SHANK APPEARED TO BE INADEQUATE WITH ABOUT AN EIGHTH OF AN INCH FILLET WITH NO LITTLE OR NO PENETRATION AND NO EVIDENCE OF SCARFING. HOWEVER, NO PREVIOUS DAMAGE, CRACKS, OR RUST WAS OBSERVED ON THE HITCH. *LA