North Korea announced Saturday that it has conducted "another crucial test" at its Sohae long-range rocket site, claiming that the move will bolster its "reliable strategic nuclear deterrent."

The move comes amid growing speculation that Pyongyang is poised for a major provocation amid stalled nuclear talks with the U.S.

"The research successes being registered by us in defense science one after another recently will be applied to further bolstering up the reliable strategic nuclear deterrent of the Democratic People's Republic of Korea," the North's state-run Korean Central News Agency said in a short dispatch.