The Bulgarian government will declare November 11 a national day of mourning for the 11 people killed in the multiple-vehicle crashes on the Trakia highway, Prime Minister Rumen Radev announced, as authorities reported 51 injured people and more than 70 cars and trucks involved in the incidents. Radev described the disaster near Zimnitsa as “a dark day for all of Bulgaria” and said he would visit hospitals in Burgas, Sliven and Yambol together with Health Minister Katya Ivkova. He offered his condolences to the families and friends of those killed and thanked emergency responders and citizens who assisted at the scene despite extremely difficult weather conditions and severely reduced visibility. ...