An active shooter incident occurred in Midtown Manhattan, New York, officials said. Here's what to know about 345 Park Ave.

As a gunman rampaged through 345 Park Ave., an unthinkable nightmare unfolded for the thousands of employees who work at the landmark New York office tower, which is home to such

Five people—including the suspected perpetrator Devon Tamura and NYPD officer Didarul Islam—were left dead at an office building in Midtow.