Since US President Donald Trump's surprise announcement of an energy ceasefire between Russia and Ukraine on Sunday, Kyiv had refrained from attacking Russian refineries. Volodymyr Zelenskyy has announced that Ukraine is resuming attacks on Russian energy sites. Key points and original sources are listed below.

• Since US President Donald Trump's surprise announcement of an energy ceasefire between Russia and Ukraine on Sunday, Kyiv had refrained from attacking Russian refineries.S1

• Volodymyr Zelenskyy has announced that Ukraine is resuming attacks on Russian energy sites. It came after Moscow summarily ignored a claim by US President Donald Trump that an "energy ceasefire" had been agreed.S2

• Ukraine has hit a ‌Russian refinery in response ‌to Moscow's attacks that violated an energy truce, as Kyiv's relations with the US teeter.S3

• Ukrainian drones attacked a refinery in Russia's Ryazan region early Thursday, hours after Ukrainian President Volodymyr Zelenskyy said that a brief truce spurned by Moscow was over.S4

• Ukraine's president earlier said Kyiv was 'done' with energy ceasefire and that strikes on Russian oil refineries would resume.S5