The SIU has invoked its mandate after Leeds OPP responded to a call this past Saturday.
They report that they executed a warrant to arrest a man wanted in connection with an earlier incident.
Officers entered the residence in Rear of Leeds-Lansdowne Township where they found an injured male. He was transported to hospital with serious but non-life threatening injuries.
The province's Special Investigation Unit was notified by the OPP and has invoked its mandate.
No further information has been given at this time. They have not said if the injured man was the suspect they were seeking.
Anyone with information about this incident are asked to contact the OPP at 1-888-310-1122.