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.
Wickham Wickham is a small village and civil parish in Hampshire, England, about three miles north of Fareham. At the 2001 census, it had a population of 4,816, falling to 4,299 at the 2011 Census.