An off-duty officer with the Pittsburgh (PA) Police department was shot and critically wounded early Sunday in the Homewood section of the city.

According to the Pittsburgh Post-Gazette, the officer—36-year-old Calvin Hall—was transported to a nearby hospital where he is listed in critical condition.

Several people who were in attendance at a party near the crime scene have been questioned, but no arrests have been made.

It is unclear if the officer was an attendee of the party.