SEOUL : South Korea’s health authorities will limit the entry of foreigners from some countries where Covid-19 infections are surging through a temporary restriction on flights and visa issuancesWith the exception of important business trips or visits by government officials, Korean authorities will restrict issuance of visas “as much as possible," and put a temporary ban on non-scheduled flights from countries where the virus is widely spreading, the Ministry of Health and Welfare said in a statement on Sunday.The measures will “immediately take effect" for visitors from Pakistan and Bangladesh, which account for some of the recent cases in South Korea, it said.