NEW : Putin `` is trying to find a pretext '' to intervene , member of parliament says . Opposition leader Vitali Klitschko says he will run for president . Acting President Turchinov delays appointing an interim unity government until Thursday . Comment:
NEW : Putin `` is trying to find a pretext '' to intervene , member of parliament says . Opposition leader Vitali Klitschko says he will run for president . Acting President Turchinov delays appointing an interim unity government until Thursday . Russian foreign minister warns EU not to try to turn Ukraine against Russia .