research center in the north. the nuclear reactor. the enrichment plant. this is iran's largest nuclear research center. state media is down playing the whole thing. iranian officials have said in the last hour we have no plans to do anything about this. and we have been hearing officials say it is time to deescalate. >> what do we know about the attack? there were reports of reports of explosions in syria and iraq and elsewhere in iran. none of that has been substantiated and we have not seen any evidence of further