Belgrade, Rabi'II 21, 1437, January 31, 2016, SPA -- At least four people were killed and 29 injured Saturday in a pile-up of around 70 vehicles on a Slovenian highway, the STA news agency reported. The accident occurred in the afternoon amid foggy conditions at Senozece, 50 kilometres southeast of Ljubljana, according to dpa. Police, firefighters and paramedics worked for hours to extract all the injured from the massive wreckage, which was expected to be cleared from the highway late Saturday. The pile-up is the largest ever in Slovenia in the number of vehicles involved - among them several trucks and a bus. --SPA 13:32 LOCAL TIME 10:32 GMT www.spa.gov.sa/w