Mortar shells found at St. Louis golf course

ST. LOUIS -- Talk about your fairway hazard.

One of the Forest Park golf courses in St. Louis is closed while it is being remade.

During renovation work over the last six months, three unexploded World War One mortar shells have been found on the course, the U.S. Army Corps of Engineers said Monday.

The Corps says that as early as 1917, the Army conducted demonstrations, including mock battles in Forest Park.

, which may explain why the mortar shells are on the golf course.