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.
High Melton High Melton is a village and civil parish in the Metropolitan Borough of Doncaster in South Yorkshire, England. It has a population of 339, reducing to 300 at the 2011 Census.