Russia's Radioactive Phobos-Grunt Space Probe Fell to Earth Sunday

Russia’s Phobos-Grunt space probe, with 22 pounds of radioactive Cobalt-57 on board, fell to Earth Sunday. The probe was launched in November to go to Phobos, a moon of Mars, but its rocket system failed to fire it onward from low Earth orbit.

There is some confusion as to where pieces of the 14.9-ton probe fell. Read Karl Grossman's article in Common Dreams