Sentence:  By visible evidence, this Saturday morning is a comparatively placid one. Earlier in the week a young man had died after being stabbed in a flat, and from the overpass at Archway Road, <WSD>darkly</WSD> referred to as “suicide bridge,” another man had jumped to his death. 
Meaning of the word marked with <WSD> tags:  In a morbid manner; morbidly, sinisterly.