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.

Stay informed about rising Legionnaires’ disease cases. Find out who’s at risk and how infections are treated.

Ben Crump and Rev. Al Sharpton will announce a lawsuit against a construction company accused of causing the outbreak.

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.