A teenager tried to kill Queen Elizabeth II during a visit to New Zealand in 1981, declassified official documents confirm. Christopher Lewis, 17, fired a shot as the Queen toured the city of Dunedin, New Zealand's Security Intelligence Service (SIS) said. Police had said at the time that the gunshot sound had been caused by a sign falling over, local media report. A former police officer and local media have suggested a cover-up took place. New Zealand feared future royal tours could be cancelled, it is claimed. The royal parade took place in Dunedin on 14 October 1981. Police and...