Vehicles make their way back into South Korea.
On Wednesday, four more South Korean workers returned from the joint Kaesong industrial park, which is run by the North.
Officials there closed the border weeks ago, denying entry to South Korean staff and forcing a standoff between the two Koreas.
The workers returned as news came that 10 business owners had been denied the right to visit Kaesong and deliver much needed food to staff members.
Some 205 South Korean workers are refusing to leave the park in hopes of keeping their factories running, despite deteriorating conditions.
(SOUNDBITE) (Korean) 50-YEAR-OLD SOUTH KOREAN WORKER OH HEUNG-KEE SAYING:
"We hope the problem can be solved smoothly. All workers in Kaesong are suffering now. I hope things will go well, so that they (the remaining workers) do not have to endure hardships anymore."
In response, South Korea's unification ministry called the decision "regrettable."
China, Japan and
