TVN24's "Czarno na Białym" journalists have obtained papers that shed fresh light on the case of Witold K. Prime Minister Donald Tusk announced a breakthrough in the exhumation of Polish UPA victims. US President-elect Donald Trump has been sentenced. Deputy Minister Aleksandra Gajewska announced that the 800 plus program will be continued in the coming years. Here are 5 things worth knowing on Saturday, January 11.