While Cromwell was apparently trying to negotiate surrender terms, some of his soldiers broke into the town, killed 2,000 Irish troops and up to 1,500 civilians, and burned much of the town.
Mentres o propio Cromwell estaba intentando negociar os termos da rendición, os soldados da New Model Army irromperon no pobo, asasinaron a 2.000 soldados irlandeses e uns 1.500 civís, e pegaron lume á maior parte da localidade.