A Frederick man died at a work site Tuesday morning when he fell off a roof in Hanover, police said.

Emergency responders were called to the 1400 block of Dorsey Road shortly before 7 a.m. Ismael Celestino Lopez-Rojas, 32, had climbed onto the roof of a three-story condo building to secure a safety anchor when he lost his footing, according to Anne Arundel County police.

Lopez-Rojas was pronounced dead at the scene, police said.