Many of the former British colonies on the Union Jack flag in the upper left corner to meters, to show the relationship with the United Kingdom.

英国的很多前殖民地国家将米字旗放在国旗的左上角，以示与英国的关系。

youdao

He said that any attempt to remove the union flag "from a constitutional part of the United Kingdom" in order to allow the parade to pass would not been viewed as inclusive from a unionist point of view.

BBC: St Patrick's Day parade in Omagh

IR Bagehot (May 20th) misses the greatest indignity of all in the matter of flags and Northern Ireland: the addition to the Union flag of the red diagonal cross of St Patrick as a symbol of the incorporation of the whole of Ireland into the United Kingdom in 1801.

ECONOMIST: Letters

"That leadership is that Northern Ireland is part of the United Kingdom and a considerable number of people want the Union flag to be flown in a respectful and orderly way, " he said.

BBC: Craigavon Council to review Union flag policy