The European Union announces it 's imposing sanctions on 15 people . Defense ministers from the United States and Russia discuss Ukraine . Comment: The mayor of Kharkiv is in critical condition after emergency surgery .
The European Union announces it 's imposing sanctions on 15 people . Defense ministers from the United States and Russia discuss Ukraine . U.S. imposes sanctions against 7 Russians , 17 companies linked to Putin . The mayor of Kharkiv is in critical condition after emergency surgery .