Nashville, Tenn., Police Chief John Drake speaks during a news conference on Christmas Day. Law enforcement is looking into who and how many may have been involved in a bombing in Nashville’s downtown corridor.

Nashville Police Chief John Drake, center, speaks during a news conference Friday, Dec. 25, 2020, in Nashville, Tenn. An explosion that shook the largely deserted streets of downtown Nashville early Christmas morning shattered windows, damaged buildings and wounded three people. Authorities said they believed the blast was intentional. (AP Photo/Mark Humphrey)