Two explosions rocked Kyiv early Monday following months of relative calm in the Ukrainian capital.
Kyiv Mayor Vitalii Klitchko reported explosions in the city's central Shevchenko district. There were no immediate reports of casualties.
Russian President Vladimir Putin accused Ukraine of orchestrating what he called a terrorist attack on a key bridge linking Russia and Crimea, as he prepared to hold a meeting of his security council on Monday.
India does not want to say in advance how it will vote at the United Nations General Assembly on a likely draft resolution condemning Russia's proclaimed annexation of parts of Ukraine, Foreign Minister S. Jaishankar said on Monday.
Ukraine's Defence Ministry said it would seek revenge for Russian missile strikes that hit cities across Ukraine on Monday morning.