U.S, April 19 -- All airports in Iran were closed earlier due to a drone attack on an army base in Isfahan, with sirens heard in the Islamic Republic's Northern part of the country.

According to information still unclear, simultaneous attacks were seen in Syria.

Later Iran said there was no attack.

It appears countries such as Jordan and Iraq were also scrambling to clear their skies, reopening air space now.

Passenger flights were seen flying over Eastern Iran without hindrance

Iranian Press TV is playing down the attack, saying the Iranian defense was able to avoid damages.

Israel Defence Force has not yet made a statement, and the situation remains unclear, putting civil aviation safety in a state of suspense. It appears Israel w...