It's the latest indication that the frontline NATO nation is increasingly considering nuclear protection as fears of Russia grow.

Poland is urging the United States to approve the deployment of nuclear weapons to the country as a measure to deter Russia. The call comes amid fears of a potential threat from the Kremlin, which is accused of targeting some members of the North Atlantic Treaty Organization,

The president of Poland, Andrzej Duda, has repeated his call for the US to base nuclear weapons on Polish soil. In the presidential palace in Warsaw, he told me that it would make Poland stronger and safer,