Ukrainians marked 29 years since the Chernobyl nuclear disaster, placing wreaths and candles near the plant where work to lay a new seal over the reactor site has been delayed.
A large column of smoke streamed from Chile's Calbuco volcano, prompting new warnings that it could erupt again.
A powerful 7.9 magnitude earthquake struck Nepal, causing massive damage in the capital Kathmandu with strong tremors felt across neighbouring countries.
Southern Chile's Calbuco volcano erupted for the first time in nearly half a century, spewing a giant funnel of ash 10 kilometers (six miles) into the sky.
A powerful storm swept through India's eastern Bihar state overnight leaving at least 33 people dead and destroying crops and properties.
UN Secretary General Ban Ki-moon appealed to world governments to share the burden of taking in refugees after more than 700 migrants were feared dead.
Up to 400 illegal migrants died after their vessel capsized off the Libyan coast, said survivors who were brought to Italy.
The foreign ministers of France, Spain and Germany paid tribute to the victims of the Germanwings crash in the French Alps at Barcelona airport.
The mass beaching of more than 150 melon-headed whales on Japan's shores has fuelled fears of a repeat of a seemingly unrelated event in the country.
Poles marked the fifth anniversary of the deadly plane crash in Russia that killed then president Lech Kaczynski and 95 officials.
More than 30 people, mostly schoolchildren returning from a sports meet, were killed Friday in Morocco when their bus caught fire.
More than 130 melon-headed whales, a member of the dolphin family usually found in the deep ocean, beached in Japan.
Powerful storms swept Bangladesh at the weekend leaving a trail of devastation in the country's northwest and killing at least 35 people.
Around 24,000 people from the Philippines were being evacuated with Typhoon Maysak a day away from potentially striking the country's northeast coast.
Rescuers were searching freezing waters off Russia's Far East after a fishing boat sank in the Sea of Okhotsk with the loss of at least 54 lives.
The small German town of Haltern am See held an emotional memorial service for the 16 pupils and two teachers from a local school.
An emergency was declared in the Micronesian state of Chuuk as Super Typhoon Maysak cut a destructive path across the central Pacific.
The co-pilot suspected of deliberately crashing a Germanwings plane had informed his employer that he had undergone a "previous episode of severe depression".
At least 18 people were killed in flash floods that hit a normally arid region of northern Chile last week, and about the same number remain missing.
The captain of a passenger jet that investigators believe was deliberately crashed into the French Alps shouted at the co-pilot to "open the damn door".
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