The New York City Health Department said it has confirmed the presence of the bacteria in 34 cooling towers in 33 buildings, all of which are being cleaned. Officials still haven't identified the source of the bacteria that has sickened more than six dozen people in the last month.

(In paragraph 11, corrects first name of Harvard Law School professor to Alex, not Alexander) By Luc Cohen NEW YORK, July 22 (Reuters) - New York City Mayor Zohran Mamdani said this week that he had determined he lacked the legal authority to have Israeli Prime Minister Benjamin Netanyahu arrested for alleged war crimes should he visit the largest U.