The number of people who were killed in a collision between an express train and a bus in Slovakia has reportedly risen to seven. Five others were injured, public television station RTVS reported, citing rescue services. Interior Minister Matúš Šutaj Eštok said on Friday that the cause of the accident was still being investigated. The news agency TASR reported that there were more than 100 passengers on the EuroCity train travelling from Prague to Budapest when it collided with a bus near the town of Nove Zamky. The bus was literally torn apart in the collision. The locomotive of the train set…