 The battle was a devastating defeat for the Vikings and led to the Irish regaining control of Dublin.On one side there was a Norse army from the Kingdom of Dublin supported by troops from the Hebrides, which was commanded by a son of Olaf Cuaran named Ragnall.The other side was led by Máel Sechnaill mac Domnaill, who had recently come to power as head of the southern Uí Néill.