Following the fall of Liège, most of the Belgian field army retreated to Antwerp, leaving the garrison of Namur isolated, with the Belgian capital, Brussels, falling to the Germans on 20 August.
Menyusul jatuhnya Liège, sebagian besar tentara gabungan Belgia mundur ke Antwerpen, meninggalkan garnisun Namur terisolasi, serta ibu kota Belgia, Brussel, jatuh ke Jerman pada tanggal 20 Agustus.