The United States called on Libya to immediately end "unacceptable bloodshed" and to urgently make its message clear to Moamer Kadhafi's teetering government.
Prince William and Kate Middleton have invited 1,900 guests to their wedding, filling Westminster Abbey with an array of royals, world leaders, family and friends.
Libyan authorities arrested dozens of foreign Arab nationals for allegedly stoking anti-regime protests amid reports that security forces had killed more than 80 people.
The United States vetoed a UN resolution branding Israeli settlements illegal, prompting Palestinians to vow to re-evaluate the Middle East peace process.
French President Nicolas Sarkozy warned that putting national interests first will kill off the G20, as ministers met to hammer out common criteria key to ensuring global financial stability.