The fighting follows the president's return on Friday from Saudi Arabia.
The International Monetary Fund has said that member countries will act
decisively
and collectively to confront the threat to the global economy. After its latest meeting in Washington, the IMF said eurozone countries would do whatever necessary to tackle the debt crisis while advanced economies generally would support their banks and undertake reforms to boost jobs and growth. Here's Michelle Fleury in Washington.
The head of the International Monetary Fund, Christine Lagarde, said the global economy was only half-way through the work that needs to be done.
So acute are the fears that Europe's debt problems will threaten the health of the global economy that she's saying the fund is ready to help all member nations should they need it.
Greece has already received IMF bailout. If the turmoil continues, others may also need assistance. The ministers meeting in Washington are hoping the actions they take here will mean that won't be necessary.
The Russian President Dmitry Medvedev has announced that the current Prime Minister Vladimir Putin should run for president in 2012. Mr Putin proposed that Mr Medvedev should become the prime minister. The announcements at the congress of the ruling United Russia party came after months of speculation.
World News from the BBC
One week after an earthquake hit northeastern India, Nepal and Tibet, many remote Indian villages are still