Initial arrests or counter-revolutionaries (coup plotters) was ordered by Robespierre on June 2, 1793.

Those arrests caused a chain of events that led to the French Reign of Terror.

Town to town trials and guillotines.

French History

“Insurrection of 31 May – 2 June 1793”

https://en.m.wikipedia.org/wiki/Insurrection_of_31_May_–_2_June_1793