At least one person has been killed after Russia launched its largest drone attack on Ukraine since the beginning of its invasion, Ukrainian officials said Wednesday, just hours after US President Donald Trump pledged more military support for Kyiv and accused his Russian counterpart Vladimir Putin of throwing “bullsh*t” over peace talks.

Trump’s decision to help Ukraine fight an onslaught of Russian attacks reverses a Pentagon decision to withhold defensive weapons.

Speaking to journalists, the US President once again said he was unhappy with Russian leader Vladimir Putin. Meanwhile, Czech President Petr Pavel warned war in Ukraine could last for years. Read more about what happened on Tuesday,