The 2001 Humber Refinery explosion occurred in the parish that has a population of what, as of 2011?
South Killingholme South Killingholme is a village and civil parish in North Lincolnshire, England. The population of the civil parish at the 2011 census was 1,108.
Wilsford, Lincolnshire Wilsford is a village and civil parish in the North Kesteven district of Lincolnshire, England. The population of the civil parish was 400 at the 2011 census.