Several Metro-North train lines experienced delays at Grand Central Terminal on Wednesday due to police activity, according to Metropolitan Transit Authority website.

The Harlem, Hudson, and New Haven lines were affected by service disruptions shortly before 9 a.m., as per the MTA. While some services were impacted, the terminal is still operating.
MTA reports delays at Grand Central: One person held
Upon completion of the investigation, operational procedures were implemented to minimize train delays at Grand Central Terminal, establishing a baseline of 15 minutes for all arrivals and departures occurring after 9 a.m.
The cause for the police deployment at the transit hub remained initially unclear.
According to the MTA, one person was arrested. The New York Police Department stated that no weapon was found at the scene.
Passengers used two emergency windows to exit
{{/usCountry}}Passengers used two emergency windows to exit
{{/usCountry}}During the period in which the train remained stopped, many passengers used at least two emergency windows to exit and proceeded to walk along the railway tracks in the direction of the platform. According to official statements, MTA personnel did not facilitate the opening of the train's doors, nor were passengers provided with instructions to evacuate the train.
MTA police officers, who maintain a presence at Grand Central, responded promptly and guided approximately 60 commuters who had departed from the train to safety on the platform. Officials confirmed that all passengers were accounted for. A precautionary medical evaluation was being conducted for four persons.
According to ABC7, one passenger was experiencing emotional distress underwent evaluation and was expected to receive hospital treatment.
What we know about Grand Central Terminal
Grand Central Terminal stands as the most remarkable public venue in New York City. Since its inauguration to the public in 1913, this historically significant railway terminal has achieved recognition as a globally renowned landmark situated in Midtown.
Its distinguished heritage represents a narrative of considerable financial investment and exceptional engineering achievement. Grand Central Terminal functions as one of the world's most heavily trafficked railway stations, accommodating approximately 750,000 daily visitors.