‘New Crack’ Hurts the Homeless — and Those Serving Them

A grizzled man with a white-streaked beard collapsed into a heap on the sidewalk.

“This is the K2 capital of the world, right here,” an FDNY lieutenant said, shaking his head as he called in an ambulance Friday on Lexington Avenue just south of 125th Street.

A small crowd gathered around the man, who stared blankly at the pavement and drooled onto the ground. Four others appeared groggy, and another fidgeted spastically as he paced around the small gathering, nibbling on a soda can.