Federal Bureau of Investigation (FBI) officials label and collect evidence near the site of an explosion which took place on Saturday night in the Chelsea neighborhood of Manhattan, New York, U.S. September 18, 2016. REUTERS/Rashid Umar Abbasi

A view of a mangled dumpster at the site of an explosion that occurred on Saturday night in the Chelsea neighborhood of New York, USA, September 18, 2016. REUTERS/Justin Lane/Pool

A natural gas flare on an oil well pad burns as the sun sets outside Watford City, North Dakota January 21, 2016. REUTERS/Andrew Cullen

Residential buildings are seen in Hong Kong, China July 6, 2016. Picture taken July 6, 2016. REUTERS/Bobby Yip

United States one dollar bills are seen on a light table at the Bureau of Engraving and Printing in Washington November 14, 2014. REUTERS/Gary Cameron/File Photo

Emma Thompson. REUTERS/Dylan Martinez

Colin Firth arrives with his wife Olivia for the world premiere of "Bridget Jones's Baby" at Leicester Square in London, Britain September 5, 2016. REUTERS/Dylan Martinez

Director of the movie Clint Eastwood (L) and cast members Aaron Eckhart (2nd L), Tom Hanks and Ann Cusack attend the premiere of "Sully" in Los Angeles, California U.S., September 8, 2016. REUTERS/Mario Anzuoni