Multiple casualties as gunman opened fire in the lobby of the midtown Manhattan building on Park Avenue that is home to the Blackstone investment firm and other corporations before moving to other floors.

A gunman opened fire Monday outside a midtown Manhattan office building that houses the NFL and some of the country's top financial firms, killing an off-duty police officer working security in the building and two others,

NFL employees were told to shelter in place Monday evening as a gunman opened fire inside the New York City building that houses the league's headquarters, killing four and leaving another in critical condition.

Extreme heat and humidity are expected to hammer the New York City area to start the week. We could see our second heat wave of the season, with three consecutive days above 90 degrees.CBS News New York's First Alert Weather team has issued a string of First Alert Weather Days due to the threat of intense heat.

CBS News New York's John Elliott is calling for temperatures in the mid-90s on Monday, Tuesday and Wednesday, but due to the humidity it will feel more like 100-plus all three days.

A dangerous heat wave is set to grip Staten Island beginning Monday morning, with the National Weather Service issuing a heat advisory for Richmond County through Wednesday evening. Temperatures are expected to soar into the mid-90s,