
"North Korea has not yet reached the level to develop these pumps because their development requires advanced technological skills level," said a spokesman for the Foreign Ministry in Seoul as saying by the local agency Yonhap.
The spokesman added that "if Pyongyang is confirmed acquired technology" for future attacks by electromagnetic pulse (EMP by its acronym in English), but he said, "we believe it has not been successful" when making these explosives capable of cripple an entire country.