MOLDOVA: About 200g of uranium seized by Moldova police in a raid, with a black market value of about $2.1m .
It was allegedly smuggled into Moldova in a special container on a train.
Those arrested had experience of handling radioactive substances, and have admitted their guilt, Moldovan police added.
A kilogram of another hazardous material, mercury, was also seized.
The US Federal Bureau of Investigation aided the police in their investigation.
In 2011, Moldovan police arrested six people trying to sell a kilogram of uranium to buyers in Africa.