Sonebhadra, Feb 28 (IANS): Two South Korean nationals, working in the Obra plant, were detained at the Delhi and then Varansi airports soon after their arrival and taken to the isolation ward.

Both were tested for Coronavirus and the results were found negative.

Chief medical officer Shashikant Upadhyaya told IANS on Friday that when he learnt of the incident, he sent his team to the company.

"Before the team reached there, the authorities had got the two nationals tested and even though the results were negative, they have been put into the isolation wards as a precautionary measure. The two South Korean nationals are working from their homes in isolation and will continue to do so for a specified period," the chief medical officer said.

The South Korean workers, Don Kim and Denam Kim, reached Obra after spending their vacations in South Korea.

HR Manager of the South Korea Doosan company, Babulal Jha, said he had asked the two to work from their homes.

Jha said around 50 workers from South Korea are currently working with this company.

The Obra Thermal Power Plant is located in Gajrajnagar in Sonebhadra district of Uttar Pradesh.