Gennady Kernes, the mayor of Ukraine's second-biggest city, Kharkiv, is in hospital undergoing emergency surgery after being shot in the back, Interfax reported, quoting the mayor's spokeswoman.
"The doctors are fighting to save his life," the agency quoted the spokeswoman, Tatiana Gruzinskaya, as saying.
More top news
Philip Hammond's financial commitment to the NHS in this year's Budget falls short of what is needed according to hospital bosses.
As well as preparing his speech the Chancellor had spent some time preparing his gags, one of which included a prop.
An overview of the reaction to key policies in Chancellor Philip Hammond's 'forward thinking Budget'.