U.S. official : G7 sanctions will be `` coordinated , '' `` not necessarily identical '' Russian fighter jets enter Ukrainian airspace on several occasions . The first time was in the early morning hours of July 16 when a Su-24 Flanker flew over Ukraine and then turned back to Russia. President Barack Obama says targeted sanctions against Russia are `` ready to go ''
U.S. official : G7 sanctions will be `` coordinated , '' `` not necessarily identical '' Russian fighter jets enter Ukrainian airspace on several occasions . Ukraine official announces `` second stage '' of operation against militants in Slavyansk . President Barack Obama says targeted sanctions against Russia are `` ready to go ''