Pro-Kurdish Peoples' Democratic Party (HDP) has officially invited Greek Prime Minister Alexis Tsipras and officials from his radical-left Syriza party to its meeting that will take place on May 23 in the western city of Izmir.A Greek singer is also expected to participate to the meeting that will be held in Izmir's Gündoğdu Square."We will create a sense of brotherhood with Kurds, Turks and the other side of the Aegean" said HDP's Izmir provincial co-chair Cavit Uğur.