US officials have examined "black boxes" from the Asiana Airlines Boeing 777 flight that burst into flames upon landing in San Francisco, killing two teenage Chinese students.
There was no immediate indication of the cause of Saturday's accident but Asiana said mechanical failure did not appear to be a factor.
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The 35-year-old singer could face up to 30 days in jail if he is charged with breaking election laws in his hometown.
The supermodel was not in the LA property at the time of the incident on October 14, police said.
The UK only managed to rank 20th on the World Economic Forum's (WEF) index of nations - a slide from 9th position in 2006.