Armenia and Azerbaijan, two ex-Soviet republics in the Caucasus, are locked in a decades-long territorial dispute with deadly fighting erupting Sunday.

Fifty years since Gamal Abdel Nasser's death, controversy over the legacy of the charismatic Egyptian president who championed Arab unity lives on in Egypt as deep divisions beset the Middle East.

Hadi Ahmed wearily sets up a tent in Yemen's Marib province, after fleeing fighting yet again in the government's last northern stronghold which is under intense pressure from Huthi rebels.

The United Arab Emirates and Bahrain are due on Tuesday to sign at the White House historic deals normalising ties with Israel, the third and fourth Arab countries to do so.

A new era for the Middle East will be charted Tuesday when the UAE and Bahrain sign agreements to recognise Israel, in a move that shatters the Arab world's consensus on the Palestinian cause.

The Palestinian cause has long cemented ties between Middle East nations with divergent interests, but amid shifting regional alliances they are increasingly isolated and in need of new friends, analysts say.

Peace talks between the Taliban and Afghan government negotiators offer no easy route to bridging deep ideological divides and resolving the bitter legacy of two decades of war.

With elections fast approaching, President Donald Trump has quickly racked up a string of foreign policy achievements to showcase, even as progress remains elusive on his major goals.

Key dates in relations between Iraq and the United States, which invaded in 2003, before withdrawing in 2011, only to return three years later to battle the Islamic State group.

Sudan's government and rebel forces have agreed a landmark deal aimed at ending decades of war in which hundreds of thousands of people have been killed.