The town of Sterling issued a work stoppage after a ledge at a rock quarry collapsed on an excavator operator on Thursday morning, prompting a large emergency response, officials said.

STERLING, Mass. — Crews worked carefully into the night to recover the body of a worker who was killed Thursday when a rock ledge collapsed onto an excavator at a quarry in Sterling, Massachusetts.

First responders were “unable to find any signs of life” after a rock wall fell on an excavator operated by a worker in a quarry in Sterling, Police Chief Sean Gaudette told the Sterling ...