Hours of talks aimed at de-escalating fighting between Israel and Iran have failed to produce a diplomatic breakthrough as the war enters its second week with a fresh round of strikes between the two adversaries.

Turkey's President Recep Tayyip Erdogan announced plans to step up the production of medium- and long-range missiles in a sign that the Israel-Iran war could trigger a new arms race in the region.

Israel and Iran have struck at one another again a week into their war as President Donald Trump weighs U.S. involvement.