21 June 2011 Updated at 04:23 ET
Greece: Voluntary bank help would be a default
Mass protests against the government's austerity measures are continuing across Greece
Greece crisis
Peston: Is voluntary aid a no go?
Flanders: The default calculus
Q&A: Debt crisis
Can the euro survive Greek crisis?
The Fitch credit ratings agency has said that if commercial lenders roll over their loans to Greece, it will deem the country to be in "default".
link-
http://www.bbc.co.uk/news/business-13853963