A 31-year-old woman from Ta' Giorni died in hospital after she found herself in difficulty while swimming off The Tower, in Sliema yesterday afternoon, the police said.
The woman was helped ashore by other swimmers and rushed to hospital in an ambulance. Efforts were made to resuscitate her but she died soon after admittance.
Magistrate Silvio Meli has launched an inquiry.
A post mortem examination will be held at Mater Dei Hospital today.