A mass grave containing human ashes equivalent to 8,000 people was discovered near a former Nazi concentration camp in Poland, the country's Institute of National Remembrance said on Wednesday. Follow Israel Hayom on Facebook, Twitter , and Instagram The institute, which investigates crimes committed during the Nazi occupation of Poland and the communist era, said the remains were unearthed near the Soldau concentration camp, now known as Dzialdowo, north of Warsaw. The grim discovery of around 17.5 tons (15,800 kilograms) of human ashes means it can be claimed that at least 8,000 people died there, according to investigator Tomasz Jankowski....