Five challenges for Ukraine's new president

FILE PHOTO: Ukrainian presidential candidate Volodymyr Zelenskiy reacts during a news conference at his campaign headquarters following a presidential election in Kiev, Ukraine April 21, 2019. REUTERS/Valentyn Ogirenko/File Photo

LONDON (Reuters) - Ukraine has entered uncharted political waters by choosing Volodymyr Zelenskiy, a comedian with no previous political experience and few detailed policies, as its new president.

Zelenskiy is the latest anti-establishment figure to unseat an incumbent leader, both in Europe and further afield, but he has a lot to get to grips with. Below are five big questions investors and the international community have.