Opposition leader David Cameron vowed on Friday that if he won this year's election Britain would never join the euro as long as he was prime minister.
Cameron's forthright re-statement of Conservative Party policy on the European single currency comes as the Greek debt crisis is shaking investors' faith in the euro zone.
The Conservatives are favourites to end 13 years of Labour rule in an election due in the next few months.
Full story http://uk.reuters.com/article/idUKTRE61B3HJ20100212