Russia has suspended an agreement with the United States on research cooperation in the nuclear and energy sectors, the latest move underlining worsening tensions between Washington and Moscow.
A suspension decree signed by Prime Minister Dmitry Medvedev was posted Wednesday on the government website, which said the decree was a “countermeasure” to US sanctions imposed over Russia’s role in the Ukraine conflict.
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The impact of the move is likely to be less serious than Russia’s suspension Monday of an agreement on disposal of weapons-grade plutonium. That agreement had been seen as a symbol of US-Russian rapprochement.
The strain in Moscow-Washington relations over Ukraine has intensified in recent weeks amid the collapse of a cease-fire in Syria and the Syrian army’s assault on the city of Aleppo under cover of Russian warplanes.