1.   IAEA monitors have been trying to sample the rods in order to confirm whether any of the fuel has been diverted to military use.

2.   But it refused to let them sample the rods to see whether North Koreans had removed seals on the fuel.

3.   But it refused to let them sample the rods to test whether fuel had been diverted for a military programme.

4.   The IAEA says it is vital to sample the rods to verify whether any fissile material is being diverted to military use.