Biden tells Ukraine's Poroshenko U.S. to give $335 million in security aid

WASHINGTON (Reuters) - U.S. Vice President Joe Biden told Ukrainian President Petro Poroshenko on Thursday that the United States was moving forward with an additional $335 million in security assistance, the White House said in a statement. Biden, who met with Poroshenko on the sidelines of a nuclear security summit, also told the Ukrainian leader that efforts by Kiev to form a reform-oriented government were critical to unlocking international economic assistance, including a third $1 billion U.S. loan guarantee, the statement said. (Reporting by Eric Beech; Editing by Mohammad Zargham)