Iraqi leaders have warned of the risks of war during a visit by Iranian Foreign Minister Mohammad Javad Zarif, whose country is locked in a tense standoff with the United States.
Strains have increased between Iran and the United States in the wake of this month's attack on oil tankers in the Gulf region that Washington has blamed on Iran.
Two damaged tankers arrived safely on Sunday at locations off the Emirati coast after they were rocked by explosions in Gulf waters, in an incident Saudi Arabia blamed on its regional arch-rival Iran.
'A terrorist attack by the Iranian-backed Houthi militia took place at Abha international airport, through which thousands of civilian passengers... pass daily'
US President Donald Trump on Saturday pledged to hit Iran with "major" new sanctions as Tehran warned Washington that any attack would see its interests across the Middle East go up in flames.
Tehran's response to the drone was "a clear message" from the "defenders of the borders" of Iran, said Hossein Salami, quoted by Tasnim news agency.
Indian airlines will re-route their flights, avoiding Iranian airspace, aviation regulator DGCA said on Saturday.
UAE airlines Emirates and Etihad announced that they are suspending their operations through Iranian airspace over the Strait of Hormuz and the Gulf of Oman.
Iran moved on Saturday to evacuate more towns and villages threatened by floods after continued rain in the southwest of the country, state television reported, as the nationwide toll from the flooding reached 70.