Turkey and Iraq have signed a memorandum of understanding on military, security and counter-terrorism cooperation, Turkish Foreign Minister Hakan Fidan said on Thursday, after two days of high-level security talks in Ankara. The neighbouring countries have in recent years been at loggerheads over Ankara’s cross-border military operations against the outlawed Kurdistan Workers Party (PKK) militants based in northern Iraq’s mountainous region. Iraq has said the operations violate its sovereignty, but Ankara says they are needed to protect itself. Ties have improved since last year, when they agr…