Russia and Ukraine accused each other early on Wednesday of launching air attacks that sparked fires and damaged infrastructure just hours after President Vladimir Putin agreed to a limited ceasefire in Russia's war in Ukraine.

The Russian leader agreed to an immediate pause in strikes against energy infrastructure but stopped short of backing a broader 30-day pause in fighting.

Markets saw only a modest reaction Tuesday after Russia agreed to a temporary pause in attacks on energy infrastructure in its war against Ukraine — potentially a small step toward a peace deal. But when a credible peace deal is in sight, it will likely be natural-gas futures that provide the first clue, analysts said.

Russian strikes destroyed a residential building and injured at least six people in Kostiantynivka in the eastern province of Donetsk Oblast on 13 March Russia will seek guarantees that Nato will exclude Ukraine from membership and that Ukraine will remain neutral in any peace deal,

Russia will seek "ironclad" guarantees in any peace deal on Ukraine that NATO nations will exclude Kyiv from membership and that Ukraine will remain neutral, a Russian deputy foreign minister said in remarks published on Monday.