 The hostages were shot from all directions, then beaten with rifle butts and stabbed with bayonets.According to Prosper-Olivier Lissagaray, a defender of the Commune, a total of 63 people were executed by the Commune during the bloody week.On the morning of 27 May, the regular army soldiers of Generals Grenier, Ladmirault and Montaudon launched an attack on the National Guard artillery on the heights of the Buttes-Chaumont.