Meanwhile, elements of the 2nd Regiment were across the Quế Sơn Valley and had seized the hill above Chau Son, thus controlling Route 534 into Hiệp Đức. On 24 January, the Division's attack continued, the objective was the former Firebase O'Connor (15°34′41″N 108°08′28″E﻿ / ﻿15.578°N 108.141°E﻿ / 15.578; 108.141) on high ground just east of Hiệp Đức.[6]: 374 On 26 January, with the ceasefire imminent and VC forces moving into the populated lowlands of Quảng Nam, the Division had to terminate its attack.