The sanctions could break a diplomatic deadlock by making it more difficult for India to continue buying from Russia, a point of contention between President Trump and Narendra Modi.

© Vladimir Smirnov/Sputnik, via Reuters

Traders are pondering whether the United States and its allies are finally getting serious about restricting Russian energy.

© Alexander Manzyuk/Reuters

President Vladimir V. Putin warned of an overwhelming response if the Trump administration arms Kyiv with powerful missiles it seeks.

© Ramil Sitdikov/Reuters