At least five people, including a New York City police officer, were killed in a shooting incident in Manhattan on Monday, according to U.S. media reports.

CNN, citing a law enforcement official, reported that the gunman opened fire in a public area in central Manhattan, killing four people on the scene, including the officer. A fifth victim later succumbed to injuries sustained during the attack.

The shooting comes amid a wave of gun violence across the United States, reigniting debates over stricter gun control measures. Authorities have not yet released the identity of the suspect or disclosed a possible motive. An investigation is currently underway to determine the circumstances surrounding the attack.