Gabriela Saldivia

On Sunday, hundreds of people gathered to remember the life and commemorate the death of the Pizol glacier in the Swiss Alps.

More than 200 people hiked up to the glacier, where a priest gave a speech and mourners laid flowers on the ground, Alessandra Degiacomi, coordinator of the Swiss Association for Climate Protection and organizer of the funeral procession told CNN.

What Pittsburgh police first called a medical situation that left three people dead and four hospitalized is now believed to be an isolated drug overdose incident.

"We do not believe this particular incident is going to be widespread," Pittsburgh police commander for narcotics Jason Lando said. "So we are not in a situation where we expect people to be found in an overdosed state all over the city."

Early Sunday morning, a 911 call was placed for an unresponsive man at an apartment building on the city's South Side.

An Iranian oil tanker that's been at the center of a diplomatic drama between the United States and Iran is back on the move six weeks after being seized off the coast of Gibraltar.

The Grace 1 was seized by British authorities in July at the request of the U.S. due to suspicions that it was bringing oil to Syria in violation of European Union sanctions.

After a stretch of relative peace in Hong Kong, a standoff between protesters and riot police became violent again on Saturday.

Police fired tear gas after pro-democracy demonstrators blocked roads with barricades made of bamboo sticks and hurled bricks, in the district of Kwun Tong.

In a statement, police said protesters paralyzed traffic and affected emergency services in the area near a police station.

A fuel tanker in Tanzania exploded on Saturday, killing at least 62 people and injuring 70 more, The Associated Press reported.

The tanker truck flipped over in Morogoro, roughly 115 miles from the economic hub of Dar es Salaam. Video from before the explosion shows a large crowd gathered around the damaged tanker, collecting spilled fuel in yellow jerrycans.

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