Four workers who were rescued are hurt and one worker is trapped, fire officials say. News4's Jackie Bensen spoke to a couple whose home was damaged when the building next door collapsed. "I thought it was thunder," Karen Wood, who owns a floral shop across the street from the building, told News4's Jackie Bensen. Update building collapse 900 block Kennedy St NW. #DCsBravest are engaged in active rescue effort to reach and removed 1 trapped worker.