In December 1961, leaders of opposition parties were arrested because they were accused of the preparation of an anti-government conspiracy. A decree was issued on the dissolution of the opposition parties. Olympio tried to reduce dependence on France by establishing cooperation with the United States, United Kingdom, and West Germany. He also rejected the efforts of French soldiers who were demobilized after the Algerian War and tried to get a position in the Togolese army. These factors eventually led to a military coup on 13 January 1963, during which he was assassinated by a group of soldiers under the direction of Sergeant Gnassingbé Eyadéma. A State of emergency was declared in Togo.