Following the Battle Hostile_encounter of Mons the British Expeditionary Force was withdrawing Escaping , closely followed Motion by the advancing Cause_to_make_progress German Army .

The French followed Motion up the capture of Brussels by taking Conquering other key cities and fortresses in the Austrian Netherlands including Mons and Namur .

After the Battle Hostile_encounter of Mons and the Battle Hostile_encounter of Charleroi , the bulk of the German armies marched Self_motion south into France , leaving Departing small forces to garrison Brussels and the Belgian railways .