South Korea has confirmed nine more cases of COVID-19 variants, all of which are of the U.K. strain, raising the total caseload so far to 128.

The Korea Disease Control and Prevention Agency(KDCA) reported the latest cases on Monday, adding that six were imported. 

The three local infections are all foreign nationals connected to a cluster in Yeoju, Gyeonggi Province, involving a group of Syrian relatives. So far only seven of the total 27 cases reported in the cluster since February 10 are of the mutated strain.

Of South Korea's total variant cases, those traced to Britain account for the majority at 109, followed by 13 cases of the South African variant and six traced to Brazil.