After the Albanians in the Sanjak informed the Venice about this situation, the Venetian fleet, consisting of 55 units, under the command of Giralomo Cornaro invaded and captured the castles of Vlorë and Kaninë on September 19, 1690.
Doche of Venice Francesco Morosini was hesitant about holding the castles of Vlorë and Kaninë, because the period when the Ottoman Empire lost territory between 1684 and 1689 was over, and Grand Vizier Köprülüzade Fazıl Mustafa Pasha had re-strengthened the Ottomans' position in the Balkans by liberating Niš, Vidin, Smederevo and Belgrade from the occupation of the Austria in his campaign of 1690.
Therefore, Doçe Morosini was also concerned that the resources spent on castles in Albania could weaken the defenses of Morea in case of an Ottoman counterattack.
The attack of these troops on the Shkodër soldiers under the command of Süleyman Pasha, who were in the metris, was repelled as a result of the Ottomans quickly taking up defensive positions.
[5] During the siege, the garrison commander Giovanni Matteo Bembo and (Swedish) General Charles Sparre were also killed in the bombardment by Turkish artillery.