Tensions have been high since City Council members there voted a month ago to stop flying the Union Jack flag year-round, restricting it instead to certain days.

CNN: STORY HIGHLIGHTS

And before suggesting the Earl of Crewe didn't know his jack from his flag, it seems that both terms are equally acceptable.

BBC: The union jack: A very complex flag

Even the original flag of the United States, first raised in 1775 was "a jack with the union flag, and striped red and white in the field".

BBC: The union jack: A very complex flag