Ukrainians headed to the polls on Sunday to elect a new leader, and Petro Poroshenko, aka the "Chocolate King," won the vote. Here's how Ukraine's presidential election played out.

3 things you need to know now: Petro Poroshenko won by more than 50%.

Poroshenko, a billionaire who made his money from his chocolate business, vows to work for peace in eastern Ukraine.

This election had an especially high turnout, despite pro-Russian separatists efforts to stop people from voting.

REPORTERS IN UKRAINE: Christopher Miller (@christopherjm), David Patrikarakos (@dpatrikarakos) and Evgeny Feldman (@EvgenyFeldman) | EDITORS IN NEW YORK: Amanda Wills (@AmandaWills) and Brian Ries (@moneyries)