At the same time, the army chief of Kalamata, Suleiman Aga Arnaoutoglou, called the local Greek elites to express his concerns about reports of a forthcoming uprising.

After gaining the confidence of the aga, Ilias Mavromichalis requested additional aid from Mani because rumors of an impending invasion of the town were growing.

[3] On 22 March 1821, a force of 2000 armed men led by Theodoros Kolokotronis tightened the siege around the city coming from the southeast and occupying the surrounding hills.

[3] At the same time, Dimitrios Papatsonis arrived with a body of over a thousand Messinian fighters, including Mitros Petrovas and Panagiotis Kefalas, joining the Maniots of Petrobey Mavromichalis, and the forces of Papaflessas, Anagnostaras and Nikitaras.

A meeting of the chiefs and local leaders followed, where it was decided to form the Messenian Senate, a revolutionary committee that was the first administrative institution of the revolting Greeks.