The UN confirmed that a white Antonov transport aircraft with false markings to make it look like a UN plane had been seen dropping supplies in an area where a rebel commander, David Yau Yau, has been operating.
It retains the white but flashes orange and gray diagonal markings on the crown, defying the traditional logic that golfers prefer a symmetrical look to help with alignment.
About 60 schools have the Keep Clear road signs with zig zag markings, while a few others have yellow lines with loading bans or pedestrian crossings with white zig zags, the council said.