It's called the "traffic jam." The weather near the summit of Mount Everest clears, and everyone who has ploughed up the slopes leading to the world's highest peak tries to climb to the top at once. There are only a few hours to complete the last steps over the narrow way before climbers must turn back for the safety of their camps. Sometimes they run into trouble in the crowd.
A deal has been agreed to that will facilitate international monitors' effort to investigate whether Iran is trying to develop nuclear weapons, the head of the International Atomic Energy Agency told reporters in Vienna earlier today.
Intense fighting in Lebanon has killed more than a dozen people over the past week. One deadly battle was sparked by the murder of an anti-Syrian Lebanese cleric. The violence is stoking fears that the conflict in Syria is spreading to its neighbors.