On 27 September, large parties of German troops captured about 8,000 Neapolitans, while 400-500 armed rioters began armed attacks against them.
An Italian lieutenant-Enzo Stimolo-led a group of 200 insurgents in assaulting a weapons depot in Castel Sant'Elmo, which was captured in the evening, not without bloodshed, after German reinforcements came from the Villa Floridiana and the Campo Sportivo del Littorio areas.