....extended by League Two side Oxford United until the end of the season.
Hawtin, 20, has been a regular in the Saints' first-team this season and the right-back will remain for the rest of the campaign.
Oxford boss Michael Appleton said: "Aidan has done really well and we have had excellent reports on him. We have a recall clause in the loan but having him play regular competitive football has been a big thing so far this season. Extending the loan allows him to keep that going."