STOCKHOLM, Sept. 7 (Xinhua) -- An 800-square km restricted zone is set to be imposed in central Sweden after the country's first case of African swine fever was discovered in the area, authorities announced on Thursday.
Access to the forest in the area around the small town of Fagersta will be prohibited, and people will not be allowed to leave the roads to hunt or forage for mushrooms and berries, the Swedish B
