SAN FRANCISCO (KRON) — A deputy with the San Francisco Sheriff’s Office has died unexpectedly, officials announced.

The death of Deputy Louie Loufas was announced late Sunday night.

“We mourn in disbelief with the unexpected passing of Deputy Louie Loufas #1500,” the tweet said. “Please keep his family and loved ones in your hearts and prayers, as we all cope with his loss. He was loved and respected by all who had the honor to work and learn from him. Rest Eternally.”