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.
Nether Wyresdale Nether Wyresdale is a civil parish in Lancashire, England. In the 2001 United Kingdom census, it had a population of 613, rising to 655 at the 2011 Census.