UFO News Article: 

“UFO Seen In London”, 18 September 1957

(The Gadsden Times, Alabama)

Several North London, UK, residents sighted a fast-flying, 

cylindrical shaped UFO on the morning of 18 September 1957, 
The Gadsden Times reports.

Quote from the article:
“A ministry (Air Ministry) official said three out of four 
descriptions of the luminous object were exactly the same. 
The ministry refused to speculate on the report.”

http://news.google.com/newspapers?id=brsfAAAAIBAJ&sjid=6dcEAAAAIBAJ&pg=1408,1919585

NOTE: The newspaper date is 18 September 1957.

Satellite photo of London, UK 

(tageo.com photo)