Petroleum and diesel prices paid by foreigners living in North Korea remain about 75% higher than usual, data recorded by NK Pro indicated on May 15, though the impact on traffic remains mixed.

The price spike, now in place for over a month, is continuing as a record number of oil tankers have been observed at Vladivostok, suggesting North Korean authorities are scrambling to make up the shortfall in supply.

“DHL can’t use their vehicles as frequent as before,” said one informed source living in the city, noting deliveries are now limited as the “DHL administration