Turkish politicians hold their final campaign rallies Saturday for a vote many fear is unlikely to bring an end to months of instability as the country confronts bloody jihadist attacks and a renewed Kurdish conflict.

Opinion polls are predicting a replay Sunday of the shock June election which stripped the Justice and Development Party (AKP) of its majority after 13 years of single-party rule, leaving the country without a government after coalition talks failed.

Turkish Prime Minister Ahmet Davutoglu's mild-mannered demeanor belies his abilities as a tough negotiator and strategic thinker who has been at the heart of government since Recep Tayyip Erdogan first came to power in 2003.

But the bookish former academic has had to battle to keep his Justice and Development Party (AKP) united in the face of a major election setback and risks losing his own job should it come up short again on Sunday.

Selahattin Demirtas, the charismatic leader of Turkey's pro-Kurdish party, is the man in the spotlight after he scored a stunning election breakthrough in June.

Nicknamed the "Kurdish Obama" for his smooth rhetorical skills, Demirtas propelled his Peoples' Democratic Party (HDP) into mainstream politics with a message that embodies the hopes of Turkey's biggest minority but also appeals to non-Kurds.

In 2013, U.S. President Barack Obama said the Arctic was "peaceful, stable, and free of conflict" as he laid out a national strategy for the region.

But just two years later, the rapid retreat of ocean ice cover, a newly emboldened Russia and the covetous gaze of nations keen to exploit new shipping lanes and vast mineral wealth are putting the Arctic's longstanding stability under pressure.

U.S. Secretary of State John Kerry arrived in Kyrgyzstan on Saturday to kick off a tour of five of the "'Stans," the former Soviet republics of Central Asia.

Over four days, at official events in Kyrgyzstan, Uzbekistan, Kazakhstan, Tajikistan and Turkmenistan, Kerry will seek to reassure them they have not been abandoned.

U.S. Democratic presidential frontrunner Hillary Clinton was interrupted Friday by protesters from the "Black Lives Matter" movement while speaking about the criminal justice system at a historically black university.

The former secretary of state was heckled by chants of "black lives matter" reportedly coming from around a dozen people, not long after launching into her speech in Atlanta, Georgia.

Chinese Premier Li Keqiang arrived in South Korea on Saturday ahead of a trilateral Northeast Asian leadership summit that Beijing hopes will improve trade links and help bolster its slowing economy.

Japanese Prime Minister Shinzo Abe was expected to fly in early Sunday ahead of the afternoon three-way sit-down with Li and South Korean President Park Geun-Hye.

A year after Jean-Claude Juncker took charge of what he called the "last chance" European Commission, his plans to win back skeptical voters have been partly sidelined by existential threats like the migrant and Greek crises, analysts say.

The wily former Luxembourg prime minister vowed when he took the reins of the 28-nation EU's executive arm in November 2014 to be more "political" than his Portuguese predecessor, Jose Manuel Barroso.

The collapse of a residential building under renovation in central China has killed 17 construction workers and injured another 23, state media reported on Saturday, in the latest incident to raise questions over poor regulation.

The 1990s-era building in Henan province collapsed suddenly on Friday afternoon in a project which involved adding more levels to the two-storey building, state media said.

The last British resident detained in Guantanamo Bay is reportedly planning to seek compensation from the British government, following his release after more than 13 years in the top-security U.S. military jail.

Saudi national Shaker Aamer was beginning his first full day back in Britain on Saturday after flying back to London from the prison on Cuba.