The United States is deporting 83-year-old former Nazi extermination camp guard to Austria.

Josias Kumpf has admitted taking part in the 1943 operation 'Aktion Erntefest', killing about 8,000 Jewish men, women and children at the Trawniki camp in Poland.

A member of the Waffen SS, Kumpf has said his job was to watch for victims who were still "halfway alive" or "convulsing" and to shoot them.

Kumpf also served as a guard at the Sachsenhausen concentration camp and at slave labour sites in Nazi-occupied France.

Kumpf, who was born in Serbia, traveled to the US in 1956, and was given US citizenship eight years later. He was living in Racine, Wisconsin.

He can be deported because he lied to the immigration authorities about his Nazi past. In 2003, a US court revoked his citizenship and ordered his deportation.

It remains unclear if Kumpf will face prosecution in Austria.

In another Holocaust-related case, German prosecutors issued an arrest warrant on 11 March for Ohio resident John Demjanjuk for allegedly participating in the murder of at least 29,000 Jews when he worked as a guard at the Polish Sobibor concentration camp in 1943.

The US is considering Demjanjuk's extradition to Germany to face the charges.