"....the Russian craft as a Cosmos series satellite launched in 1993, weighing more than a ton and including an onboard nuclear reactor..."
Oops! Sounds expensive. They say that there is only a very small chance of bits falling to earth but I wonder if the debris will whizz round until drawn in by gravity and land somewhere?
"The National Aeronautics and Space Administration and the Pentagon track more than 10,000 pieces of high-speed debris, some no larger than a football."