An Iranian national flag is placed by the rubble of a collapsed building by graffiti reading "#NoKing" following strikes at Sharif University of Technology in Tehran on April 7, 2026. Gas supply was restored on April 6 after being cut in parts of Tehran following an attack in the early hours on a gas pressure reduction station and metering facilities at Sharif University of Technology, causing a leak. (Photo by ATTA KENARE / AFP via Getty Images) /

A worker stands by scaffolding near an area hit by strikes at Sharif University of Technology in Tehran on April 7, 2026. Gas supply was restored on April 6 after being cut in parts of Tehran following an attack in the early hours on a gas pressure reduction station and metering facilities at Sharif University of Technology, causing a leak. (Photo by ATTA KENARE / AFP via Getty Images) /

An Iranian national flag is placed by the rubble of a collapsed building following strikes at Sharif University of Technology in Tehran on April 7, 2026. Gas supply was restored on April 6 after being cut in parts of Tehran following an attack in the early hours on a gas pressure reduction station and metering facilities at Sharif University of Technology, causing a leak. (Photo by ATTA KENARE / AFP via Getty Images) /

Destroyed piping is pictured at an area hit by strikes at Sharif University of Technology in Tehran on April 7, 2026. Gas supply was restored on April 6 after being cut in parts of Tehran following an attack in the early hours on a gas pressure reduction station and metering facilities at Sharif University of Technology, causing a leak. (Photo by ATTA KENARE / AFP via Getty Images) /

A stencil graffiti depicting Iran's slain supreme leader Ayatollah Ali Khamenei is pictured on the wall of a building at Sharif University of Technology in Tehran on April 7, 2026, following strikes at the campus. Gas supply was restored on April 6 after being cut in parts of Tehran following an attack in the early hours on a gas pressure reduction station and metering facilities at Sharif University of Technology, causing a leak. (Photo by ATTA KENARE / AFP via Getty Images) /

A journalist films damage at a mosque following strikes on Sharif University of Technology in Tehran on April 7, 2026. Gas supply was restored on April 6 after being cut in parts of Tehran following an attack in the early hours on a gas pressure reduction station and metering facilities at Sharif University of Technology, causing a leak. (Photo by ATTA KENARE / AFP via Getty Images) /

A worker welds metal frames by a window at an area hit by strikes at Sharif University of Technology in Tehran on April 7, 2026. Gas supply was restored on April 6 after being cut in parts of Tehran following an attack in the early hours on a gas pressure reduction station and metering facilities at Sharif University of Technology, causing a leak. (Photo by ATTA KENARE / AFP via Getty Images) /

Journalists prepare to film at a damaged area following strikes on Sharif University of Technology in Tehran on April 7, 2026. Gas supply was restored on April 6 after being cut in parts of Tehran following an attack on gas infrastructure at a university in the city, state television reported. The strike, which occurred in the early hours of Monday, hit a gas pressure reduction station and metering facilities at Sharif University of Technology, causing a leak. (Photo by ATTA KENARE / AFP via Getty Images) /