DELPHOS (WTOL) - Police are investigating a 2-vehicle crash that took the lives of 2 people on Tuesday.

The crash happened on US 30 near Delphos around 3 p.m.

Police say 36-year-old James Patterson of Van Wert was driving a Dodge Dakota eastbound on US 30 when he lost control and went into the westbound lanes.

Police say Patterson’s vehicle collided with a semi driven by 79-year-old William Wolfe of Colorado, causing both vehicles to catch on fire.

Police say Patterson and his passenger, 30-year-old Jeremy Shults of Van Wert were pronounced dead at the scene.

Police say Wolfe and his passenger, 61-year-old Linda Rinda-Wolfe were treated for minor injuries.

The crash caused US 30 to close for a time. The semi was hauling sulfuric acid, a hazardous material, but no leakage of the acid was detected.

Police say everyone involved was wearing their seat belts.