Ontario's Special Investigations Unit has been called in after an officer was allegedly assaulted during the arrest of a 52-year-old woman.

Police say an officer was called to check on the welfare of a woman at a home on Topping Lane shortly before 9 p.m. on Monday.

During that check, the officer was reportedly assaulted and the woman was transported to hospital, where she was found to have been injured in the altercation.

As a result of the interaction, the 52-year-old woman has been charged with resisting arrest and assaulting a peace officer.

The officer involved was not injured.

Due to the injury to the woman, the Special Investigations Unit was notified and has initiated an investigation.