MAHTOMEDI — A suspect was in custody Sunday following the fatal weekend shooting of a popular high school teacher in suburban St. Paul.

David Frigaard, 46, of Roseville, was fatally shot early Saturday in Mahtomedi. The Washington County sheriff’s office responded to a call of shots fired around 3:15 a.m. When deputies arrived, they found Frigaard dead from a single gunshot wound.

Police said they have a 19-year-old suspect from Pine Springs in custody, but authorities said they would not release any more information about the case before Monday.

Frigaard was an art teacher at Park High School in Cottage Grove, in the South Washington County School District, the Star Tribune reported. He also owned Frigaard’s, a bar in Willernie, a small city surrounded by Mahtomedi.

His family declined to comment Sunday.