 On January 5, the PAVN 165th and 201st Regiments continued their encirclement of the Phước Long administrative centre, as well as shelling key targets in the area.On the following day, the PAVN 4th Army Corps command sent the 201st Regiment, along with ten additional tanks, to reinforce the units already fighting in Phước Long and to cut off the South Vietnamese route of escape, Cach Mang and Dinh Tien Hoang streets were blocked.At 8 pm on January 6, the last ARVN defensive post, occupied by the surviving elements of the 81st Ranger Battalion, was captured by the PAVN.