New Jersey Transit reports that Northeast Corridor service has resumed in both directions between Trenton and New York's Penn Station.
The service had been suspended around 10:40 a.m. Tuesday due to a suspicious package found on an Amtrak train in New Brunswick.
But service resumed about 40 minutes later after the package was inspected and removed.
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Further details on the incident have not been disclosed.
NJ Transit says Northeast Corridor riders could face delays of up to an hour in both directions.