What they lack in chemistry they make up for in drive: Hillary Clinton and Bernie Sanders are determined to stand united for the sake of defeating Donald Trump.

On Wednesday, the former Democratic primary rivals teamed up in a bid to charm America's youth, as recent polls showed Clinton's lead slip dramatically among voters aged 18-34. They are a demographic that proved key to both of US President Barack Obama's presidential wins.

A Montenegrin man was handed a four-year jail sentence in Germany Thursday for heading to Paris with assault rifles and explosives hidden in his car shortly before the November attacks.

The 51-year-old was arrested during a routine check on a Bavarian motorway on November 5, just over a week before 130 people were killed in a coordinated suicide bomb and gun assault in the French capital.

Aid workers are warning that tens of thousands of children in northeastern Nigeria will die in famine-like conditions created by Boko Haram's Islamic uprising if food doesn't reach them quickly.

UNICEF nutritionist Arjan de Wagt says Nigeria's humanitarian crisis is currently one of the worst in the world because of its severity and the high number of children facing death. He says children are dying but donors are not responding to appeals for aid.

Sudan's military on Thursday rejected accusations made by Amnesty International that government forces killed scores of civilians including many children in suspected chemical weapons attacks in war-torn Darfur.

At least 33 people are missing a day after landslides swept through two east China villages, state media reported Thursday, as rescuers combed through rubble for survivors. 

Heavy wind and rains brought by Typhoon Megi triggered the landslides around 5:30pm (0930 GMT) Wednesday, which struck the villages of Sucun and Baofeng in eastern Zhejiang province, the official Xinhua news agency reported. 

Britain must not expect to end up with more rights than other countries outside the EU following Brexit negotiations, Italy's Prime Minister Matteo Renzi warned in an interview Thursday.

Notorious Afghan warlord Gulbuddin Hekmatyar called for peace as he appeared by video to sign a deal with President Ashraf Ghani Thursday, marking a symbolic victory in Kabul's struggle to revive talks with the Taliban.

The deal paves the way for Hekmatyar, who heads the now largely dormant Hezb-i-Islami militant group but has been in hiding for years, to make a potential political comeback despite a history of war crimes.

South Korea's military said Thursday that a North Korean soldier had crossed the border between the rivals to defect.

South Korea's Joint Chiefs of Staff said military officials were investigating the North Korean solider, who defected across the central-east portion of the military demarcation line, which is inside the 4-kilometer-wide (2.5-mile-wide) Demilitarized Zone that separates the countries.

Indian commandos carried out a series of lightning strikes Thursday along the de facto border with Pakistan in Kashmir, provoking furious charges of "naked aggression" from its nuclear-armed neighbor.

Reporters Without Borders (RSF) late on Wednesday condemned a decision by an Iranian appeals court to uphold a 10-year jail sentence against journalist and human rights activist Narges Mohammadi.