The PAVN attack began on the morning of 28 March with an artillery barrage on the city, probing attacks quickly penetrated the ARVN defenses, and the fragile ARVN discipline collapsed and soldiers began to desert their positions and seek refuge for themselves and their families. On the night of 28 March General Trưởng received intelligence that an all-out PAVN assault against the city would commence the next morning and he decided to abandon Da Nang and ordered his forces to move to beaches for evacuation by sea.