A loud blast rocked northern Tehran near the headquarters of the state broadcasting company in the early hours of Saturday morning, according to security authorities speaking to official state media.
The explosion of an unidentified object happened inside Mellat Park, a vast and popular green space in the capital adjacent to the headquarters of Islamic Republic of Iran Broadcasting. There were no casualties reported, Iranian media said, and it was not certain if the blast was the result of an accident or an attack.
“There was only one explosion,” Hamidreza Goudarzi, the deputy security chief for Tehran Province, said in a statement to the Tasnim News Agency.
Asked if this was a terrorist attack, Mr. Goudarzi said investigators were at the scene, looking into the scope and details of the explosion.