Dubai, April 19 -- Iran fired air defence batteries early Friday morning after reports of explosions near the city of Isfahan, the state-run IRNA news agency reported.It remained unclear if the country was under attack.

However, tensions remain high in the wider Middle East after Iran's unprecedented missile-and-drone attack on Israel. One government official suggested sites may have been targeted by drones.

The Israeli military did not immediately respond to a request for comment.

IRNA said the defences fired across several provinces. It did not elaborate on what caused the batteries to fire, though people across the area reported hearing the sounds.The semiofficial Fars and Tasnim news agencies reported the sound of blasts, without g...