MEMPHIS, Tenn. -- A Walmart semi-truck overturned on railroad tracks early Friday morning in Presidents Island. WREG was on the scene and captured photos of what appeared to be a Walmart truck lying on the railroad track in the 2100 block of Channel Avenue. The cab of the truck is heavily damaged . The peninsula is known for having the city's major river port and an industrial park. (Photos by: WREG's Quintin Bearkley)(Photos by: WREG's Quintin Bearkley)(Photos by: WREG's Quintin Bearkley) Environmental crews are currently on the scene cleaning up spills and helping unload the truck, hoping to get it back right side up. At this time, it is still unclear what caused the crash and if anyone was injured. This story will be updated. ...read more read less