Turkish President Recep Tayyip Erdoğan called on Greece to stop arming the Aegean islands and follow international treaties, in remarks on Thursday that could lead to a dangerous escalation between the two neighbours. Greece should “avoid dreams, statements and acts that will lead to regret,” Erdoğan said in televised remarks during military exercises on the coast of western Turkey involving NATO allies. “Pull yourself together … I am not joking,” Erdoğan said in comments addressed to Athens. He claims Greece is allowing military exercises involving NATO and third countries on the islands th…