colonel Vassili Gmelin, former officer of the Vacalry Imperial Guard (Uhlan seiner Majestët des Kaisers).

In the attack, 95 prisoners managed to escape, while the remaining 150 were subsequently deported to the German Stutthof concentration camp.

[5][2] About 6,000 Jews successfully fled by boat from Denmark to Sweden in October 1943, but around 500 did not make it and were captured by German forces in their attempt.

[2][8] The 22 June is now an annual day of remembrance held at a monument at the camp, commemorating the arresting and detention of Danish communists in 1941.

As an open prison in modern times, Danish politician Peter Brixtofte served a two-year sentence here from 6 August 2008.

On the 22 June 1991, a monumental sculpture known as Håbets Port (Gate of Hope) commemorating the former communist prisoners was erected at the Horserød camp.

Per Ulrich was arrested for resistance activities in 1944 and after a short detention in Horserød he was deported to Frøslevlejren and eventually various prisons in Germany and both the Neuengamme and Sachsenhausen concentration camps, which he survived.