SHAWNEE, Kan. — Authorities have arrested and charged a Kansas man in an attempted robbery and shooting at a suburban Kansas City store.

The Johnson County District Attorney’s office announced Tuesday that 27-year-old Arthur Fred Wyatt III, of Overland Park, is charged with attempted first-degree murder, attempted aggravated kidnapping and attempted aggravated robbery.

Police said a Kansas City, Kansas, woman was hit from behind by two suspects while putting her child in a car Sunday at a Wal-Mart in Shawnee. A Kansas City, Missouri, man who tried to help was shot several times.

Another good Samaritan from De Soto, Kansas, was released after fatally shooting 28-year-old John Simmons III, of Kansas City, Missouri.

Spokeswoman Kristi Bergeron declined to release more information about Wyatt’s arrest.