US privately warned Iran over suspicious nuclear activities, Axios reports

US sent a private warning to Iran last month expressing serious concerns about Iranian research and development activities that could be used for the production of a nuclear weapon, Axios reported on Wednesday, citing three unnamed U.S. and Israeli officials. US sent a private warning to Iran last month expressing serious concerns about Iranian research and development activities that could be used for the production of a nuclear weapon, Axios reported on Wednesday, citing three unnamed U.S. and Israeli officials.  Economic Times