Mason City police confirmed that an ambulance was dispatched to Roller City on New Year’s eve at about 11:30 pm.
No other information was released but it was said that a woman was seriously injured.
The name of the person is being withheld at this time.
More information as it becomes available.
UPDATE: Toni Torres, 36, of Mason City was fatally injured at about 11:30 p.m. Saturday night while skating and passed away a short time later at Mercy Medical Center North Iowa. She was a member of the Dames of Anarchy roller derby team. Her friends and family are leaving condolences at her derby Facebook page.