Police in Coleraine arrested five people following a disturbance outside a property in the Long Commons area of the town on Saturday 8 June.
Police attended and arrested three males aged 19,20 and 24 years and two females aged 20 and 25 years.
The 20 year female has been charged with possessing an offensive weapon and is to appear at Coleraine Magistrates Court today (Monday).
The other 4 persons arrested have been released on police bail pending further enquiries.
Police would ask anyone who may have information or witnessed the incident to contact them at Coleraine on 0845 600 8000. Or, if someone would prefer to provide information without giving their details they can contact the independent Charity Crimestoppers and speak to them anonymously on 0800 555 111.