In a statement, Winterkorn said he took responsibility for the "irregularities" found in diesel engines but that he was "not aware of any wrongdoing on my part."
BRUSSELS (AP) — European Union President Donald Tusk urged divided EU nations to set aside their differences and work together to secure the bloc's borders as Europe struggles with its biggest refugee emergency in decades.
Around half a million people have fled to Europe so far this year in search of sanctuary or jobs. As numbers swell, nations have tightened border security. Hungary has a razor-wire fence along its border with Serbia.
