After the armistice, relations between the Vichy French and the British quickly worsened. Although the French had told Churchill they would not allow their fleet to be taken by the Germans, the British launched naval attacks intended to prevent the French navy being used, the most notable of which was the attack on the Algerian harbour of Mers el-Kebir on 3 July 1940. Though Churchill defended his controversial decision to attack the French fleet, the action deteriorated greatly the relations between France and Britain. German propaganda trumpeted these attacks as an absolute betrayal of the French people by their former allies.