He told members of the US House of Representatives Committee on National Security about this.
His words are quoted by RIA Novosti.
Mallorcas declared a low level of radiological and nuclear threats in relation to the United States.
He also added that the ministry does not expect that "a nuclear explosion in Europe will have any direct health consequences" for people in the United States.
Earlier, the Russian Foreign Ministry stressed that Russia is strictly guided by the postulate of the inadmissibility of nuclear war.