UPDATE: Trains are running into and out of Grand Central again on Wednesday morning, although delays of up to 60 to 90 minutes were reported at about 10 a.m. after a police investigation on the 138th Street Bridge, Metro-North said.
Police cleared the scene at 138th Street and train service was resuming through the area, Metro-North said.
"Customers should anticipate residual delays of 60 to 90 minutes. We thank you for your patience," Metro-North said.
No other details were released on the incident.
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