The US and Iran do not maintain diplomatic relations, and communications between the two nations are passed along by Swiss diplomats.
She reported her son's disappearance after he failed to return in July but learned from the State Department only three weeks ago that he was being held in Iran.
A Department of State spokesperson told the BBC: "We are aware of reports of the detention of a U.S. citizen in Iran".
"His arrest was communicated early through Interests Section of The Islamic Republic of Iran to the United States government".
White's family said he suffers from acute asthma and shortly before his latest visit to Iran he underwent chemotherapy for a neck tumour.
Iran had not confirmed the arrest before the state news agency IRNA carried a statement by foreign ministry spokesman Bahram Qassemi on Wednesday, which did not specify when it had happened or what crime he was accused of.
White said she did not intend to release further details because she was anxious about the complexity of her son's case in Iran.
"The case of this person is being handled by the relevant authorities and at the conclusion of this process they will issue the necessary information", Ghasemi was further quoted as saying on his Telegram account.
Djokovic, Federer on opposite sides of Australian Open draw
Top seed Novak Djokovic , who like Federer is bidding for a record seventh title in Melbourne , will take on a qualifier. And with No. 6 Marin Cilic in the same quarter, there's potential for a rematch of the 2018 final a few rounds early.
Ghasemi denied allegations that White, who hails from Imperial Beach, California, has been mistreated in prison.
Xiyue Wang, a China-born U.S. citizen and Princeton University graduate student, was detained in August 2016 while doing scholarly research and studying Farsi, the university said.
"I'm very anxious about his health", White's mother told CBS on Tuesday.
New details are emerging about an American Navy veteran being held captive in Iran.
White is the fourth American known to be held by Iran, according to CBS News. Wang was sentenced to 10 years in prison after being convicted of spying, the Iranian government said in 2017.
President Trump's hardline stance - exiting the nuclear deal and sanctioning Iran - has not stopped it from continuing to detain three other Americans, including Siamak Namazi and his 82-year-old father.
The last time Iran released any imprisoned Americans was when the worldwide accord on Iran's nuclear programme took effect in January 2016.
Christine Levinson's husband, former Federal Bureau of Investigation agent Bob Levinson, has been missing in Iran since 2007.
The coin has been described as the " most famous" coin that was made by mistake, according to Heritage Auctions . They eventually became dislodged and were fed into the coin press, along with the wartime steel blanks.
Saosongyang was booked into Sacramento County Jail and will be transferred to the Solano County Jail later this week. The officials were told at the Lucky Grocery Store, where the ticket was purchased , that it might have been stolen.
But, these were immediately rejected by the Tories' DUP allies , who prop up Mrs May's government at Westminster. There were turbulent scenes in Parliament when some in May's Conservative Party accused the speaker of bias.
Hart dropped out of the annual award show in December after homophobic tweets he had shared years in the past re-emerged. In my mind I got the job, it was a dream job, and things came up that simply prohibited it from happening.
Some observers have suggested that Kabila's government sought to make a deal as hopes faded for a win for Shadary. Candidates can appeal results if they wish and the final decision will be announced by the constitutional court.
The New York Jets are set to name Adam Gase as their new head coach , succeeding Todd Bowles who was let go at season's end. The team hired the former Miami Dolphins coach as their new head coach Wednesday night, WFAN's Brian Costello confirmed.
Mayhew is an animal welfare charity which helps cats and dogs through community initiatives and veterinary care. Two of the patronages Meghan now has formerly belonged to the Queen and have been handed over to the Duchess.
When asked about the similar experiences of working with Ranveer and Ranbir, Alia said, "There are a lot similarities. Gully Boy talks about the everyday struggle, grit and determination of the voiceless and the unseen talents.
Cameron Kaiser said the victim had not received a flu shot and did not have any known pre-existing health disorders. Last year, the flu killed more than 80,000 Americans , including a record 185 children.
Mercedes-Benz have also developed a system by which MBUX only responds to the last person to have said "Hey Mercedes". The Energising package introduces the Mercedes-Benz vivoactive 3 Smartwatch developed in collaboration with Garmin.
It's still unclear if Murray will leave camp to attend the combine, but a source told Slusser he is leaning towards football. The NFL's scouting combine begins on February 26, which Murray will likely attend if he chooses to go the football route.
Using the cutting-edge 7nm process, the CPU was independently designed by Huawei based on ARMv8 architecture license. Xu said that Huawei will continue its relationship with Intel but it chooses the best option for each use case.
History beckons as Serena shoots for Grand Slam history
The Romanian could face Venus Williams in the third round and Serena Williams is a potential last-16 opponent for the top seed. Roger Federer and Caroline Wozniacki enter the year's first Grand Slam as the reigning singles champions of the tournament.
Amazon CEO Jeff Bezos and wife divorcing after 25 years
She has released two novels, the first of which, The Testing of Luther Albright , collected an American Book Award in 2006. Jeff Bezos also bought a mansion in a swanky Washington D.C. neighbourhood past year for $US23 million.
Packers make LaFleur the 15th head coach in Packers' history
The Packers are confident they've landed their guy in LaFleur, who fits the popular mold of the young, offensive-guru type. No matter how you slice up LaFleur's background, all signs point to him having a handsome relationship with Rodgers.
Mysterious repeating radio bursts baffle physicists
A repeating FRB , however, provides more opportunities for scientists to learn about these radio bursts and where they come from. We may soon find out thanks to some mysterious signals that were recently picked up by a telescope in British Columbia.