“They are there for a long time,” RIA Novosti quoted the American leader as saying.

Earlier, the Russian Foreign Ministry said that Moscow, in its military planning, takes into account the modernization of US nuclear weapons, which are located in European countries.

Also, Russian Foreign Minister Sergei Lavrov noted that Moscow is worried about Poland's intention to place US nuclear bombs on its territory.

Russian Ambassador to Washington Anatoly Antonov called on the United States to return all nuclear weapons stationed abroad to their homeland.