sentences:  After the withdrawal of the Roman legions, Britain suffered incursions of the Irish, Scots, and Picts, who raided British settlements, sacking villages and carrying off the inhabitants as slaves.The college was reputedly burnt down in 446, with different sources attributing the destruction to Irish pirates and Saxon war bands.Though there is a lack of contemporary sources, later writers state that St Patrick was kidnapped by Irish pirates while at the College.