Investigators combed through the wreckage of two buses that crashed in Seattle, as authorities released the names of the four foreign students who died in the accident.
More than 1,500 homes have been destroyed in two immense fires that have torn through California over the last week, causing millions of dollars in damage.
Japan warned tourists to keep away from popular Mount Aso after it began belching smoke and ash into the air, the latest eruption in one of the world's most volcanically active countries.
The police investigation into the Bangkok shrine blast increasingly points towards a game-changing attack on Chinese tourists by Uighur militants or sympathisers.
The deadly collapse of a construction crane in Saudi Arabia's holy city of Mecca has highlighted the controversial pace of high-end urban development in the birthplace of Islam.
Japanese Prime Minister Shinzo Abe visited a disaster-struck city north of Tokyo in the aftermath of massive flooding that killed at least three people.
The Federal Bureau of Investigation said that it has picked up no "specific or credible threats" linked to the anniversary of the September 11, 2001 attacks on the United States.
Tens of thousands of people were ordered to flee homes across Japan as heavy rain pounded the country, sending radiation-tainted waters into the ocean at the crippled Fukushima nuclear plant.
Former president George W. Bush, who faced fierce criticism for the botched government response to Hurricane Katrina, returned to New Orleans to mark the storm's 10th anniversary.
The bodies of more than 70 dead migrants have been recovered from an abandoned truck found on an Austrian motorway, more than the initial estimate of between 20 and 50.
A group of wildfires blazing in the western US state of Washington have become the largest in the state's history, and 2015 has become the state's worst fire year on record.