 The first, a three-division thrust supported by tanks and heavy artillery, advanced out of Cambodia on April 5.The North Vietnamese seized the town of Loc Ninh and advanced toward the provincial capital of An Lộc in Bình Long Province.The second new offensive, launched from the tri-border region into the Central Highlands, seized a complex of ARVN outposts near Dak To and then advanced toward Kon Tum, threatening to split South Vietnam in two.