Nurses at two of New York City's largest hospitals walked off the job Monday in a dispute over pay and staffing levels after a weekend of negotiations failed to produce deals for new contracts, with talks falling apart overnight, CBS New York reported.The walkouts began at 6 a.m. and involve as many as 3,600 nurses at Mount Sinai Hospital in Manhattan and 3,500 at Montefiore Medical Center in the Bronx."These nurses are dedicated professionals who prived quality patient care under unimaginable conditions day in and day out that were exacerbated by the pandemic," New York State AFL-CIO President Mario Cilento said in a statement Monday.Flanked by support Other city and state Democratic politicians, including Attorney General Letitia James, joined a midday union rally Monday flanked by workers carrying signs with such messages as "Patients Over Profits" and "Will Work for Respect.""During the darkest days of the pandemic and when our loved ones have been sick, they have always been there for us," James tweeted, adding, "Today, we stand with them to demand the safe staffing they need and deserve.""