On-duty postal worker fatally stabbed in Harlem in broad-daylight attack

An on-duty postal worker was stabbed to death in a broad-daylight attack Thursday in Harlem, police and sources said.The 36-year-old victim was stabbed multiple times at the intersection of Malcolm X Boulevard and 118th Street around 2:40 p.m., authorities said.The gravely wounded man — who law enforcement sources confirmed was an on-duty USPS worker — was rushed to Harlem Hospital, where he succumbed to his injuries, cops said.A person of interest was taken into custody, but no charges were immediately filed, sources said.The motive for the deadly attack remains under investigation....