`` We are only seeing the desire of our Western partners to punish Russia , '' he said . Effort to identify bodies will take months or weeks , head of forensics team says . Rebel leader says Washington military breaks through to part of crash site . Flare-up in fighting near crash site in eastern Ukraine turns back investigation team . Moscow preparing further sanctions against Washington .
Effort to identify bodies will take months or weeks , head of forensics team says . Rebel leader says Washington military breaks through to part of crash site . Flare-up in fighting near crash site in eastern Ukraine turns back investigation team . Moscow preparing further sanctions against Washington .