U.S. offers Ukraine $17.7 million in humanitarian aid - White House
Biden and Poroshenko discussed Ukraine's reform efforts, the White House said in a statement.
"The vice president welcomed the appointment of a new head of the anti-corruption bureau and encouraged the further implementation of rule of law reforms, including anti-trust measures and judicial reform," the White House said.
(Reporting by Roberta Rampton; Editing by Eric Walsh)