that most of the particles brought back to earth by the unmanned probe hayabusa are from the itokawa astroid. it marks the successful attempt to bring back astroid particles from space. the high bayabusa returned home a seven of year journey in june. scientists collected particles from the unmanned probe and have spent months examining the tiny particles which are 0.01 millimeters across. the researchers say that the ratio of iron and magnesium in the mineral are similar to that of meteors that have fallen to earth. it was initially unclear whether the hayabusa was able to collect samples from the astroid because they had problems during landing. the japan aerospace agency says it plans to distribute particles of the astroid around the world. >>> a fire in an apartment building in shanghai killed 42 people and injured about 100. there is a public outcry against the city authority for failing to provide prompt rescue. the fire broke out on monday afternoon in a 28-story complex in the city center where there are men high-rise condominiums and commercial buildings. most of the residents were e

itokawa. about 1,500 particles, measuring less than 0.01 millimeters were found in the capsule. the agency determined most of them were from the astroid. they will continue gathering particles from other compartments of the capsule. a senior official says they expect to find larger ones for further examination. hayabusa returned to earth in june after a seven-year round-trip to itokawa, located 300 million kilometers away. >>> an international meeting on cutting edge-technology for the prevention of nuclear energy has begun. participants from 16 asian nations are taking part in the program that started on monday north of tokyo. all the attending countries are preparing to build nuclear power plants. an international atomic energy agency official lectureded on ways to prevent nuclear power plants from falling into the wrong hands. they'll learn about the latest anti-terrorism measures. >> translator: it's important for japan to promote nuclear power you for peaceful purposes. we would like to help foster human resources in the field of nuclear security. >> the japan atomic energy agency will shortly set up a body to help asian agencies