They were pursued by Aedh O'Connor and his cavalry to the townlands of Bellavally Upper and Legnaderk in Magh Slecht, County Cavan, where the battle ensued.

This claim put Aedh O'Connor in direct confrontation with Connor O'Rourke, king of West Breifne, who rebelled against him, sparking a Breifne-Connacht War.

They came to Mayo and Balla and passed through Leyney, which they plundered on all sides, to Achonry; and from there they sent messengers to the Ui Raigillig, bidding them to come and meet them at Cros Dairi Cain at the eastern end of the Brauslieve mountains in Tir Thuathail.

The Ui Raigillig came to Clachan Mucada on Slieve Anierin, but turned back from there, not having effected a meeting with the Galls, and came to Soltin Gasain.

And here the Muinter Raigillig turned hardily, eagerly, wildly, strenuously, irrepressibly, to attack Fedlim's son and to avenge their injuries and oppression on him, and each chieftain exhorted his followers to go against the Connacht army."

However, those who have knowledge of this great battle relate that the warriors of the host on that field could not look in the face of the high lord, for two great wide-glancing torches were flaming and flashing in his head, so that all feared to speak with him; for he was within hailing-distance in front of the armies as they approached the forces of the Ui Briuin; and he uttered his high-king's war-cry and his champion's shout in the midst of the fight and never stopped on that charge and onset until the ranks of the Ui Briuin were scattered."

to their homes with hostages of the Fir Brefne, that is, of Mac Fiachrach and Mac Tigernain and Mag Samradain and of the son of Art O Ruairc; and Fedlim gave the hostages of the chieftains into the custody of O Ruairc and handed over Mag Samradain to his own son, Aed na nGall"[1] Dead bodies from the battle are sometimes discovered buried in the surrounding townlands.