South Africa Arrests One in WMDs, Nuclear Probe  JOHANNESBURG, South Africa (Reuters) - South African  authorities have arrested one person in an investigation into  contraventions of laws on weapons of mass destruction and  nuclear energy, the government said Thursday.
West Japan Quakes Unlikely to Be Precursors, Panel Says  TOKYO (Reuters) - Two strong earthquakes that struck  western Japan are unlikely to be precursors to the type of  massive tremors that hit the region every century or so and the  chances of major aftershocks seem low, a government panel said  on Monday.