Rainwater left untreated in cooling towers atop city-owned Harlem Hospital fueled the Big Apple’s deadliest Legionnaire’s disease outbreak in a decade, the Rev. Al Sharpton charged Tuesday.

Lawsuit filed after a deadly Legionnaires' outbreak in Harlem, alleging negligence by construction firms and NYC.

Two construction workers who claim they contracted Legionnaires' disease while working at or near Harlem Hospital Center are suing contractors they allege failed to safeguard water cooling towers at the building against contamination by the bacteria that causes the illness.

The deadly Legionnaires’ outbreak gripping Harlem has city officials in hot water — as locals accused them Friday of dropping the ball on life-saving inspections and needlessly slow-walking revealing exactly where the disease hit.

Upon hearing of the August 6 transition of Lloyd Williams, president and CEO of the Greater Harlem Chamber of Commerce and co-founder of Harlem Week, it was obvious obituaries would appear in all the major publications, as well as television and radio acknowledgements.

Cops received a 911 call for an assault in progress on W. 128th St. near Frederick Douglass Blvd. Responding officers found the victim with multiple stab wounds throughout his body.

The MTA approved a contract to extend the Q Line to three new stations, with surface work slated to begin in September.

As NYC's long-awaited subway expansion finally gets the green light, some will be forced out as the MTA seizes properties.