By Dmitry Antonov, Pavel Polityuk and Simon Johnson MOSCOW/KYIV/LINKOPING, Sweden (Reuters) -Russia said on Wednesday it had carried out a major training exercise involving nuclear weapons, a day after the United States announced a delay in plans for a second summit between presidents Vladimir Putin and Donald Trump on the war in Ukraine.

European nations are working with Ukraine on a 12-point proposal to end Russia’s war along current battle lines, pushing back against Vladimir Putin’s renewed demands to the US for Kyiv to surrender territory in return for a peace deal.

Ukraine's defense ministry said it continues to hit Russia's industries, "weakening the offensive potential of the aggressor state."

On Wednesday afternoon, Alar Karis spoke to the Yale community about supporting Ukraine and embracing new technologies.

The range of the "Sea Baby" has been expanded from 1,000 kilometres to 1,500 kilometres and it can carry up to 2,000 kilograms of payload.View on euronews

Nato Secretary-General Mark Rutte says pressure and sanctions are changing Vladimir Putin's calculus as Russia deals with heavy military losses in Ukraine as the war continues.

President Trump on Wednesday rejected a report from The Wall Street Journal that the U.S. had given approval for Ukraine to launch missiles deep into Russian territory, distancing itself from strikes carried out by Kyiv using British long-range rockets targeting Russian military facilities.