 Many more raids were to follow.In 845 the Vikings of Dublin plundered Dún Masc (Rock of Dunamase in County Laois), killing the abbot of Tír dá Glas (Terryglass in County Tipperary) and other dignitaries; other ecclesiastical settlements plundered in the same year included Kildare, Clonenagh, Kinnitty (County Offaly), Killeigh, Kells, Monasterboice, Duleek, Swords and Finglas.In 845 they also set up an encampment near Tullamore.