An aftershock measuring 5.9 on the Richter scale caused landslides and other damage in the same areas devastated by the earthquake four days ago. At last report, some 4.8 million people were homeless, and more than 22,000 people died. Blocked roads and other damage to infrastructure have made it hard for rescuers and other aid to reach the hardest-hit cities and villages. China has asked the US for satellite images that might help locate victims and identify damaged infrastructure. And Western experts are watching carefully for any signs that China's nuclear weapons facilities, which are concentrated in the earthquake zone, have been damaged.
More Buzz stories about the earthquake:
"7.8 earthquake in Sichuan, China"
"Chinese panda habitat in jeopardy after earthquake"