 Meanwhile, 4 km to the west of the city the PAVN 416th Battalion, 5th Regiment, as well as a local force company and a recoilless rifle company, swarmed into the villages of Thon Que Chu and Thon La Chu ().At Thon La Chu a South Vietnamese official who was a VC agent had earlier used aid money to build a three-story concrete and steel bomb shelter for local villagers and the command group of the Huế City Front used this as its headquarters.Meanwhile, the 416th Battalion began fortifying the twin villages with spider holes, trenches and camouflaged fighting positions.