Ukraine's new President Volodymyr Zelenskiy took the oath of office on Monday and immediately announced he was dissolving parliament and calling a snap election, aiming to win seats in a legislature still dominated by loyalists of his predecessor.
All of them are allies of former President Petro Poroshenko, who lost the presidential election in a landslide to the comedian with no previous political experience.
Zelenskiy's surprise move is certainly controversial and follows repeated attempts by the majority in the current parliament to stymie his campaign promise for a snap election.
Two of the three officials he has asked to leave, Defence Minister Stepan Poltorak and SBU chief Vasyl Grytsak, promptly handed in their resignations.
Dressed in a dark suit and tie, the president took a non-traditional route to his inauguration - walking on foot from his home nearby, after saying he wanted a less pompous ceremony.
"I'm ready to do everything so that our heroes don't die there", he said. "In the next five years I will do everything so that Ukrainians don't cry".
Uniquely for a first-time president, Zelensky has played the scene before - for laughs.
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The minister added that the withdrawal does not pose a threat to the country's oilfields. Tehran has described those steps as "psychological warfare" and a "political game".
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"Our first task is a ceasefire in the Donbass", the newly inaugurated president said during a ceremony in the parliament hall in Kiev, referring to the country's eastern region.
"I, (name and surname), by the will of the people elected the President of Ukraine, assuming this high post, solemnly swear allegiance to Ukraine". Many voters also expect him to stand up to Putin and end a draining five-year conflict against Moscow-backed separatists in Ukraine's east.
Zelenskiy begins his term in office without a parliamentary majority, a fact that will make it hard for him to pass reforms.
While Poroshenko averted complete collapse and launched a series of key reforms he was widely criticized for failing to improve Ukrainians' living standards or effectively fight all-pervasive corruption.
The separatist authorities have indicated that they could be ready to negotiate with Zelensky. His critics question how he will deal with the enormous challenges of the separatist conflict and ongoing economic problems. "Do it, and you will deserve medals", Zelensky said after being sworn in. He has also pledged to push Russian President Vladimir Putin to end Moscow's occupation of Ukrainian territory.
Ukraine's new president, Volodymyr Zelenskiy, paused on the way to his inauguration to take a selfie with his supporters in Kiev.