Fog forces Bhutan PM's flight to return to Kolkata

Bhutan Prime Minister Tshering Tobgay today returned to Kolkata after his flight failed to land in his country due to heavy fog surrounding the airport there, officials of the city airport said.
Togbay, who came to the city to attend the Bengal Global Business Summit, today took a flight to return home after the meet concluded.
However, due to heavy fog surrounding the airport, his flight could not land there and came back to the Netaji Subhas Chandra Bose International Airport, the officials said.
He will not be able to return before tomorrow, the officials said.