WASHINGTON - The Trump administration has discussed whether to conduct the first U.S. nuclear test explosion since 1992 in a move that would have far-reaching consequences on relations with other nuclear powers and reverse a decades-long moratorium on such actions, said a senior administration official and two former officials familiar with the deliberations.

BEIJING - China strongly condemned North Korea's nuclear test Sunday, slamming Pyongyang for ignoring international condemnation of its atomic weapons programme.