Ukrainian President Volodymyr Zelensky has announced a fresh new leader as part of a ministerial overhaul.
He told lawmakers the transition will aid the country tackle pressing issues.
During a meeting with outgoing Premier Denys Shmyhal, Zelensky reviewed ways to protect national energy grids.
He also called in the CEO of state-run gas giant the gas firm to settle sector shortfalls.
Top aides admit urgent action is vital after a last-minute delay to Patriot supply and after the ex-president’s remarks on a similar deal sparked talk.
Officials insist urgent steps are required to keep air defences and power plants running.