Iranians fired missile at US drone prior to tanker attack, US official says

Washington (CNN)In the hours before the attack on the two tankers in the Gulf of Oman on Thursday, the Iranians spotted a US drone flying overhead and launched a surface-to-air missile at the unmanned aircraft, a US official told CNN. CNN has not seen any imagery from the US drones. Iran has strenuously denied any involvement in the attack. The same official also said in the days prior to the attack, a US Reaper drone was shot down in the Red Sea by what is believed to be an Iranian missile fired by Houthi rebels. The Pentagon had tough words for Iran on Friday as the US continues to assert its claim that Tehran was responsible for the attack on …