Neither Iran or Israel may seek war. But a diplomatic breakdown after the US pulled out of the Iran nuclear deal, strategic errors and a military buildup make a direct conflict — even an inadvertent one — more likely.

A diplomatic spat between the US and UK plays out on Twitter.

A diplomatic crisis between Turkey and the Netherlands deepens as both sides trade bitter accusations after Turkish ministers were blocked from holding rallies to win support for plans to expand the powers of President Recep Tayyip Erdogan.