Daisy McAndrew, who is stranded on a plane at Gatwick, said passengers had been "given no indication" of how long it would take to solve the air traffic control problem.
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Search teams were again looking for missing airman Corrie McKeague - this time joined by cadaver dogs trained to seek out human remains.
Donald Trump has dismissed pictures showing a smaller turnout to his inauguration compared to Barack Obama's in 2009.
Severe storms have ripped through the southern American state of Georgia leaving at least 11 dead and thousands without power.