More than 10 people have died in two major multi-vehicle pile-ups on the Trakia highway near Yambol, Regional Governor Georgi Chalakov told the Bulgarian News Agency (BTA), as dense fog caused collisions involving more than 50 vehicles and left dozens injured. The crashes occurred in both directions near the Zimnitsa junction, bringing traffic to a standstill. One incident was reported at kilometer 289 in the lanes toward Burgas, while another took place at kilometer 294, before the Zimnitsa junction, on the Sofia-bound carriageway....