The combined earnings of South Korean banks have soared in the first six months as loan-loss provisions dropped.

Data from the Financial Supervisory Service cited by local media showed that profit jumped 171.4% to KRW 8.1 trillion ($7.2bn) to 30 June, up from KRW 3 trillion won a year earlier.

"The growth was mostly because loan loss expenses were reduced by KRW 5.7