Videos posted online show what appears to be a large explosion and fire in northern Tehran.
— Jason Brodsky (@JasonMBrodsky) June 30, 2020
At least one report identifies the site of the explosion as a large hospital, that appears to still be burning.
— Heshmat Alavi (@HeshmatAlavi) June 30, 2020
— Nafiseh Kohnavard (@nafisehkBBC) June 30, 2020
The explosion comes days after another mysterious blast rocked an area north of Tehran.