Three people have died and at least 67 people have been diagnosed with Legionnaires’ disease in a cluster that broke out in New York City last week.

New York City Department of Health inspectors are fanning out across Central Harlem to inspect cooling towers amid a deadly outbreak of Legionnaires' disease. So far there have been 67 cases identified since July 25.

A t least three people have died in a Legionnaires’ disease outbreak in Harlem, authorities said in the most recent update, in the latest summer flare-up of the disease that officials say primarily impacts older people and is potentially linked to poorly maintained cooling towers.