As Donald Trump attended Easter services Sunday morning with family members, Palm Beach County sheriff’s officials were investigating an act of vandalism at the golf course in suburban West Palm Beach that is owned by the president.

Red paint was splattered and covered the sign at the Trump International Golf Club.

Palm Beach County sheriff’s officials were investigating the incident around 10 p.m. Saturday, and it’s unclear when the vandalism occurred.

Trump, his daughter Tiffany and first lady Melania Trump attended 11 a.m. services Sunday at Bethesda-by-the-Sea, the oldest house of worship in Palm Beach. The president and his family entered the church by a side door and then left during the final hymn.