 After making slow progress, on 22 April the 32nd Regiment encountered a roadblock of the PAVN 101st Regiment 15km north of Lai Khê.From 24 April the Division engaged the PAVN in a two-pronged attack to clear the road with the 32nd Regiment attacking from the north and the 33rd Regiment attacking from the south.These attacks eventually forced the 101st Regiment to withdraw west on 27 April leaving one battalion to cover the withdrawal for a further 2 days.