 As a consequence, Colonel Pervizi as well as other officers and Albanian troops were transferred into the mountains of northern Albania and isolated there.Greek forces counter-attacked and advanced towards Tepelenë in a general offensive on Vlorë.Despite several attacks and assistance for the Greeks by the British Royal Air Force, the Italians managed to hold the town and in late April 1941, following the German invasion of Yugoslavia, the Greek army was forced to withdraw.