“CIA Director Mike Pompeo confirmed the commander of the Iranian Quds Force, Qasem Soleimani, declined to receive and read a warning letter sent by Pompeo. According to Pompeo, the letter warned that the U.S. would hold Soleimani and Iran accountable for attacks by Soleimani’s forces on American forces fighting the Islamic State in Iraq and Syria. ‘There was a news story, it didn’t get a lot of attention over here, it got a lot of attention in Iran: I had sent a note to Qasem Soleimani,’ Pompeo said.”
Source: CIA director confirms he sent warning letter to Iranian Quds commander