NASHVILLE, Tennesee—Police and federal agents in Nashville sought clues on Saturday to determine how and why a motor home was blown to pieces in an apparent bombing on Christmas Day that injured three people and damaged dozens of buildings in the heart of America’s country music capital.

A vehicle burns near the site of an explosion in the area of Second and Commerce in Nashville, Tenn. on Dec. 25, 2020. Andrew Nelles/Tennessean.com/USA Today Network via Reuters