Natalie Cole, 25, of Kingsbury Square, Melksham, will appear before magistrates in Chippenham on March 20, charged with possessing an offensive weapon.
She was arrested with a flick knife at Bolwell Place, Melksham, on Wednesday.
She is also charged with causing criminal damage to a police van on Friday after she was arrested on suspicion of assault at the Church Street car park at 2.25pm, and will appear in court in Swindon on March 26.
The assault charge was later dropped.
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