According to the New York Times, NYPD officers who took down a killer near the Empire State Building Friday morning ”also struck some, if not all, of the nine bystanders who were wounded.”

In this photo found on Instagram, a worker washes blood off the sidewalk.

Mayor Bloomberg held a press conference a few hours later:

Listen in on police communications from the incident:

Here is a group of reports compiling news media and social media reporting from the event: