An independent inquiry into the incident ( the worst of its kind in British history ) was started in 2002 , and a draft report issued in January 2005 , but questions still remain as to the long-term effects on the health of local residents .
An independent inquiry into the incident ( the worst of its kind in British history ) was started in 2002 , and a draft report issued in January 2005 , but there is still concern about long-term effects on the health of local people .