Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.

A New York City police officer killed during a shooting at a Manhattan office tower is being laid to rest. NEW YORK (AP) — A New York City police officer who was among the four people shot and killed by a gunman during a rampage at a Manhattan office tower will be laid to rest Thursday.

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the heart of Manhattan during rush hour.