KYIV –

Russia and Ukraine said on Friday they had halted strikes on each other’s energy infrastructure but differences emerged over the timeframe for the moratorium and there was uncertainty about the next step in talks to end the nearly 4-year-old war.

The Kremlin said it had agreed to U.S. President Donald Trump’s request to halt strikes on energy targets, which have knocked out power and heating to hundreds of ​Kyiv apartment buildings. But spokesman Dmitry Peskov indicated the measure would end on Sunday.

Ukrainian President Volodymyr Zelenskyy said Russia had conducted virtually no strikes in the past 24 hours, ‍though he and ⁠his prime minister said Moscow had reoriented its strategy and were now hitting logistical points, notably rail junctions.