WALL COLLAPSES ONTO A BUSY ROAD ON THE WEST SIDE.

Reports that a 75-foot-high stone retaining wall built in 1908 collapsed in an avalanche onto the Henry Hudson Parkway in Upper Manhattan, New York City. Observation that there were no apparent casualties, although parked cars were buried in the landslide; Details of the wall's collapse; Uncertainty over how long it will take to clear the debris and reopen the parkway and access roads; Accounts of witnesses; History of the wall. INSET: Traffic Advosory.