Students at a US college in Oregon where 10 people were killed by a lone gunman described scenes of panic and terror as they ran for their lives or hid in classrooms.
Around 3,000 people rallied in the Montenegrin capital of Podgorica to back an opposition call for the left-wing government of Prime Minister Milo Djukanovic to resign.
Protesters are due to gather once more in Hong Kong, a year since the start of huge pro-democracy rallies that brought parts of the city to a standstill.
Sirens wailed and helicopters hovered overhead as dozens of ambulances brought in victim after victim from a stampede that killed more than 700 in the holy Saudi valley of Mina.
Afghan President Ashraf Ghani condemned last week's deadly attack on a Pakistani air force base and said Afghanistan will never allow its land to be used against Pakistan.
Hundreds of pro-Kiev activists from Crimea's Tatar community launched a blockade of roads from Ukraine to the Crimean peninsula to protest Russia's seizure of their home region.
Thousands of people poured onto Moscow's streets for the first authorised opposition protest in a year-and-a-half, with Kremlin critic Alexei Navalny telling the crowds: "Change is possible."
On stretchers and in wheelchairs, six Mexican tourists hurt in a mistaken Egyptian air strike that killed eight others returned home, as Mexico pressed for compensation for the victims.
Twenty-two suspects have been detained in connection with a deadly attack on a Pakistan air force base claimed by the Taliban.
Hundreds of migrants gathered on Croatia's main border crossings with Slovenia on Saturday, seeking transit through Slovenian territory in their bid to travel to northern Europe.
Bulgaria began deploying up to 1,000 troops to buttress its southeastern border with Turkey as hundreds of migrants remained stranded for a third day on the Turkish side.
Thousands of migrants arrived in Croatia early seeking to open up a new route to northern Europe, after Hungary sealed its border, sparking ferocious clashes with angry refugees.
Around 1,000 refugees remained stranded in the northwestern Turkish city of Edirne, near the Greek border, after being barred by Turkish authorities.
Israeli Prime Minister Benjamin Netanyahu announced a toughening of the penalties for stone throwers, following a third day of clashes between Palestinians and security forces.
Clashes between Israeli security forces and Palestinians at a Jerusalem holy site could trigger violence elsewhere in the Middle East.
Palestinians and Israeli security forces clashed in Jerusalem's flashpoint Al-Aqsa mosque compound and the surrounding Old City for a third straight day.
From ridiculing warlords to poking fun at the political elite, a crop of covertly run Afghan satirical outlets are resonating widely with disenchanted citizens.
Mexico's foreign minister was to fly to Egypt with relatives of the tourists mistakenly killed by Egyptian security forces as her government called for an urgent investigation of the "deplorable event".
Germany's Interior Minister Thomas de Maiziere said Europe should stop looking on helplessly as "murder" rages on in Syria, as he called on the bloc to review its strategy on the conflict.
Some 1.4 million people joined a march demanding independence for the Catalonia region from Spain, Barcelona city police said.
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