Mia Deakin from Millbrook was found in possession of a knife in Seacombe Green on August 24.
The 18-year-old also assaulted a police officer on the same day.
Appearing at Southampton Magistrates’ Court, she admitted a charge of possessing a knife in a public place and a charge of common assault on a police officer.
Mia, of Seacombe Green, Southampton, was released on bail until sentencing on September 21.
A message from the editor
Thanks for reading this article – we appreciate your support in reading the Daily Echo.
Subscribing to the Echo means you have unlimited access to the latest Saints news, features and coverage – all with a lightweight advertising website.
You will also have full access to Saintsmoreyour new home for Southampton FC tactical analysis, features and more.
Don’t just take my word for it – subscribe today.
Follow the latest breaking news in the Southampton area by searching Southampton News – Breaking News and Incidents on Facebook
Follow the latest court and crime news on our dedicated group by searching Hampshire Court and Crime News on Facebook