The United States reported Thursday, February 17,
"substantial progress"
during the negotiations in Vienna to save the Iranian nuclear agreement, judging a possible agreement
"in the coming days"
if Iran
"shows seriousness"
.
Read alsoIranian nuclear: chronicle of an announced failure
Any delay
"far beyond"
this deadline
"would seriously threaten the possibility of returning to the agreement"
, warned a spokesman for American diplomacy interviewed by AFP.