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

A man stalked through a Manhattan office tower firing a rifle, killing four people, including a New York City police officer, and wounding a fifth before taking his own life, officials said.

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.