What organization has given "observer" status to the political party that Eric Fletcher is a member of?
Eric Fletcher, Baron Fletcher: Eric George Molyneux Fletcher, Baron Fletcher, PC (26 March 1903 – 9 June 1990) was a Labour Party politician in the United Kingdom. Labour Party (UK):  Labour is a full member of the Party of European Socialists and Progressive Alliance, and holds observer status in the Socialist International.
Socialist International