Country music star Kenny Chesney is mourning the death of a fan whom police say fell from an escalator at his concert in Denver on Saturday. The incident occurred shortly before 11 p.m. local time when the woman sat on the railing of an escalator at Empower Field and fell, police said, according to the Denver Post. “I was devastated to learn of the loss of someone after our show,” Chesney, 54, told the newspaper in a statement, calling her death “heartbreaking.” “Life is precious. Sharing music brings us together and that love we share makes us so much more,” the singer said. “For the lady who…