Heavy snowfall caused a traffic jam to form on Friday on a highway in western Japan that stretched for up to 23km (14 miles) overnight, likely involving about 3,000 vehicles, according to the highway operator and local firefighters. An emergency call was received at around 7.20pm Friday, saying that a car with normal tyres got stuck in snow on a section of the Sanyo Expressway in Hiroshima Prefecture, according to local police. People from at least four vehicles made similar calls after getting...