Five people were injured in a stabbing at New York City's Penn Station one day before Game 3 of the NBA Finals. Security measures were being heightened in New York City ahead of the NBA Finals, as President Donald Trump was scheduled to attend. The stabbing was not believed to be linked to the NBA Finals.

Accounts differ on the number of people injured. Some sources reported that six people were injured in a stabbing at or near New York City's Penn Station, including reports from the Bangkok Post, The Guardian, Hindustan Times, and Kten.com. Other sources, including social media and Western outlets, reported five people were injured. One report from Kten.com stated that six people were injured in a stabbing near Penn Station and Madison Square Garden, with one person suffering serious injuries and four others sustaining moderate or minor injuries. According to Kten.com, the New York City Fire Department received a call at around 7 p.m. reporting multiple stabbings at West 33rd Street and 7th Avenue, and the five injured people were taken to Bellevue Hospital, with none of the injuries being life-threatening.

The Guardian reported that a suspect believed to be homeless was in custody following the stabbing. The Hindustan Times also stated that the suspect was in custody. These reports are attributed solely to those outlets.