Cordons were in place at Ipswich Station after a man was arrested under suspicion of possessing a firearm.
An area outside the station and a platform was blocked off and people were being safely escorted into and out of the station.
British Transport Police said: "Officers were called to Ipswich Station at 4pm after a suspicious package was reported.
"The station was closed as a precaution while enquiries are ongoing and specialist officers assess the scene.
"Officers conducted a search of the station and nothing further was found."
The station has now reopened and train services are operating as normal.
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