The grandson of the mayor of Cleveland, Ohio, was gunned down on Sunday, authorities have confirmed. Homicide detectives are investigating the shooting of Frank Q. Jackson, which occurred at approximately 9 p.m. at the intersections of Sidaway Avenue and E. 70th St. Frank Q. Jackson, 24, is the grandson of Cleveland Mayor Frank Jackson, a Democrat. Photographs from the scene published by local news outlets showed Mayor Jackson and Cleveland Police Chief Calvin Williams at the scene of the shooting shortly before midnight. “It’s not my place to say anything,” Williams told reporters. Frank Q. Jackson’s father was also spotted. He was crying. Investigators were seen taking a red dirt bike from the scene, as well as pieces of evidence from a dumpster nearby, WEWS-TV reported. Police have not said that any suspects have been identified or taken into custody. Multiple phone calls to the Cleveland Police Department on Monday went …