The French garrison came under sporadic direct artillery fire from the Viet Minh for the first time on 31 January 1954 and patrols encountered the Viet Minh troops in all directions around them.
Prancis mengalami tembakan artileri sporadik Viet Minh pertama kali pada 31 Januari 1954 dan patroli-patroli mereka menjumpai Viet Minh di segala penjuru.