“We are aware of various reports, including health reports to chairmen Kim Jong-un - we are collecting and analyzing information,” TASS quoted the minister as saying.
He noted that the prompt receipt of verified data from this country is problematic.
Earlier, US President Donald Trump called incorrect reports of the deterioration of Kim Jong-un.
In April, CNN reported that U.S. officials were investigating intelligence that the North Korean leader’s health had allegedly worsened after the operation.
In Seoul, they stated that they did not record such signs.