HULL, Iowa (AP) — Authorities are investigating the theft of U.S. flags in the northwest Iowa city of Hull. The Sioux City Journal reports the flags were missing from homes and school property on the north side of Hull. The Sioux County Sheriff’s Office says the flags were removed from poles between 10 p.m. Saturday and 7 a.m. Sunday.

The sheriff’s office didn’t say how many flags were stolen. Hull is a city of about 2,100 people. It’s about 50 miles north of Sioux City.