Russian defense minister says his troops have no intention of entering Ukraine . U.S. sanctions target 20 Russian officials , Bank Rossiya , Treasury Department says . The Associated Press reports that the Obama administration is considering a range of options to punish Russia for its actions in Ukraine. Moscow 's lower house approves treaty to annex Crimea .
Russian defense minister says his troops have no intention of entering Ukraine . U.S. sanctions target 20 Russian officials , Bank Rossiya , Treasury Department says . Russia announces sanctions against nine U.S. officials and lawmakers . Moscow 's lower house approves treaty to annex Crimea .