Scandinavian pirate who raided Europe from 8th to 11th centuries (6) M?K?N? Type of diesel train named by British Rail in the 1980s which is still operational (8) ?????T?R The largest city on the Illinoois River in the US (6) ?e?r?? Device to synchronise sound and pictures in filsm (12) ??A?????O?R? A highly carcinogenic mineral (8) ?S?E?T?S