It is understood the items came from a prison workshop and a tuck shop rather than being smuggled in.

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Money raised from the tuck shop at Coventry central police station is donated to a charity or to help someone in need annually, West Midlands Police said.

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Their teacher, Alice Lee, hopes the experience will encourage the students to think twice about the food they waste - many of them throw away their school lunches and eat instant noodles from the tuck shop instead, she says.

BBC: Business