Ukrainian presidential aide Mykhaylo Podolyak has accused Vladimir Putin of “violating the nuclear non-proliferation treaty” and resorting to “scare” tactics.

But Podolyak said on Twitter:

"Making a statement about tactical nuclear weapons in Belarus, he admits that he is afraid of losing and all he can do is scare with tactics...

Second. He once again states his involvement in the crime. Violating the nuclear non-proliferation treaty…".

On Saturday, Putin announced Russia would station tactical nuclear weapons to neighbour and ally Belarus “without violating our international agreements on nuclear non-proliferation”, Agence France-Presse reports.