Efraim Zuroff, the chief Nazi hunter with the Simon Wiesenthal Centre, has welcomed the arrest of Hans Lipschis over allegations he served as a Auschwitz death camp guard.
Lipschis number 4 on his current list of "most wanted Nazi war criminals".
Mr Zuroff told the Associated Press: "This is a very positive step, we welcome the arrest. I hope this will only be the first of many arrests, trials and convictions of death camp guards".
More top news
A widespread frost will affect the UK due to plummeting temperatures along with a lingering fog in several areas.
Members of the Queen's Guard have been assigned the protection of armed police, amid reports they could be targeted by terrorists.
Three people have been banned from Birmingham’s new library for ‘personal hygiene issues’, according to a Freedom of Information Act.