The Interphone inquiry has faced criticism for including people who made just one call a week, and leaving out children, which some experts said could underplay the risks.
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"Antarctica creates a hostile environment," says the operations director for the British Antarctic Survey, "if you are not careful, it'll come around and bite you."
The Russian InvestigativeCommittee's Transport Investigative Department has confirmed that an explosion occurred at Domodedovo Airport's luggage reclaim zone at the international arrivals terminal.
"According to available information, an explosion occurred at Domodedovo's arrivals hall at 16:22 Moscow time (1322 GMT)，" a spokeswoman for the investigation committee, Tatyana Morozova, said.