US Secretary of State Antony Blinken met Turkish President Recep Tayyip Erdoğan in Istanbul on Saturday, with the Israel-Hamas war in Gaza top of the agenda. Blinken was in Turkey ahead of his fourth Middle East tour in three months. He also met Turkish Foreign Minister Hakan Fidan. The Turkish minister conveyed to Blinken Ankara’s call for an “immediate ceasefire” in Gaza and continued delivery of humanitarian aid to the besieged strip, state news agency Anadolu reported. Israel’s actions pose a “threat” for the region while discussions on a two-state solution should resume, Fidan told Blinke…