Overnight, Russian President Vladimir Putin announced a series of attacks on Ukraine's major cities, including the capital Kiev. The attack seemed to confirm the energy markets' biggest fears, and could have major implications on oil and gas prices all around the world. Today, POLITICO’s Josh Siegel breaks down how President Joe Biden may respond to alleviate the impact in the US.

Josh Siegel is an energy reporter for POLITICO.

Nirmal Mulaikal is a POLITICO audio host-producer.

Carlos Prieto is an audio producer for POLITICO.

Raghu Manavalan is a senior editor for POLITICO audio.

Jenny Ament is the interim executive producer of POLITICO’s audio department.

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The Ukraine crisis: a threat to energy prices?