 But people on the ground saw him. So you look at communications devices, how quickly that information moved around. Almost immediately after he fired, the sharpshooter was fired at him. Retired NYPD Chief Robert Boyce spoke to ABC. New York City is under a heat advisory until 10 p.m. Tuesday. Today's highs will be about 95 degrees with real field temperatures around 100. And tomorrow, the high is expected to hit up to 100 degrees.