Vladimir Putin has told Donald Trump he backs the “idea” of a ceasefire in Ukraine, but he would only agree to one on his own terms.

The Russian president knocked back the US proposal for an immediate 30-day pause in the fighting on Thursday, saying he had “serious questions” about how it would be implemented that he needed to discuss with Mr Trump.

Speaking at a press conference in Moscow, Putin said he wanted any deal to “lead to long-term peace” and “eliminate the original causes of this crisis”, suggesting he was unwilling to relent on his evisceration of the Ukrainian state.

“The idea [of a ceasefire] itself is correct, and we certainly support it,” the Russian leader said, “but there are nuances that we need to discuss”.