referendum

; the congress would also form an interim government until the first presidential elections were held. Libya's interim authorities say they will announce their country's full liberation on Sunday.

European Union finance ministers in Brussels have taken a step towards stabilising the eurozone debt crisis. Banks in the eurozone will have to raise more capital to protect themselves against market

turmoil

. However, there's still no agreement on expanding the wider eurozone bailout fund for indebted countries. Our economics correspondent Andrew Walker reports from Brussels.

The general direction the negotiations are heading is reasonably clear, but tying down the detail is proving very difficult. The hardest is the question of how to make the eurozone's bailout fund effective enough to help Spain and Italy, the two big economies with debt problems, if they need it. Banks are likely to be pressed to accept more losses on what they are owed by Greece. They'll also have to raise more capital - a financial buffer to help them survive if they run into further problems.

These ideas are all

interlinked

. Greece is central. It's widely thought it can't pay all its debts. If it is to have the burden eased, financial markets will worry whether other countries will

end up

in the same situation, forcing financial institutions to take further losses.

World News from the BBC

The Turkish army says it's killed nearly 50 Kurdish rebels over the past two days in a major military offensive. Turkey launched the action earlier this week after militants killed more than 20 of its soldiers. From Istanbul, Jonathan Head reports.