Multiple people were stabbed at New York City's Penn Station on Sunday evening, according to authorities and news reports. The number of victims varied across initial reports, with sources citing between five and six people injured in the incident.

The New York City Fire Department confirmed that people were injured in the stabbing, while sources told ABC News that five individuals were stabbed by a man experiencing homelessness. A suspect is currently in custody, according to ABC News sources.

Amtrak Police are leading the ongoing investigation into the incident, according to authorities. Fox News reported that at least one person was seriously injured in the attack.

The stabbing occurred as New York City was implementing heightened security measures ahead of President Trump's planned visit on Monday to attend NBA finals games. The timing of the incident coincides with increased security protocols throughout the city.

Penn Station serves as one of New York City's busiest transportation hubs, handling hundreds of thousands of commuters and travelers daily. The station connects Amtrak, New Jersey Transit, and Long Island Rail Road services.