Iran's President Hassan Rouhani has rejected the resignation of Foreign Minister Mohammad Javad Zarif.
"The presidential office said the resignation had not been accepted," Iran's foreign ministry spokesman Bahram Qasemi said.
The top diplomat had announced his intention to step down on Instagram on Monday evening.
According to Iranian law, the resignation needs to be endorsed by the president for the move to go into effect.

Blast at Rotterdam port energy facility kills one person
Colombian President vows reconstruction fund as quake death toll hits 265
Trump says press secretary Leavitt to leave job at month's end
Air India expands drug testing to all pilots after captain tests positive
Russia's Putin visits Japan-claimed islands for first time; Tokyo protests
