A man was arrested on Friday in Kolkata's New Market area with a firearm and a live cartridge, police said.
Acting on a tip-off, police said they nabbed Sheikh Tipu from Motishil Street-Lenin Sarani crossing.
"He was carrying the arm and cartridge for selling them to a third party. On questioning he failed to give any satisfactory answer or produce any relevant documents in support of the seized articles," a senior officer said.
Tipu was booked under the Arms Act and remanded to police custody till December 18 when produced at a city court, officials said.
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