KARAJ, Iran — A devastating airstrike leveled a four-story residential building in the Mehrshahr district of Karaj early on Wednesday morning of April 1, 2026, leaving at least four people dead and eight others injured. The strike, attributed to a joint US-Israeli military operation, occurred as part of a wider wave of attacks that simultaneously targeted several districts across the Iranian capital, Tehran.
The explosion in Mehrshahr, located in Alborz province just west of Tehran, reduced the apartment complex to rubble in seconds. Rescue teams and local volunteers spent the morning digging through the debris, with witnesses describing a scene of "total chaos" as families searched for survivors among the twisted metal and concrete.
The strike in Alborz province is being cited as one of the deadliest civilian incidents in recent days as the conflict intensifies. Local medical sources confirmed that the four deceased include two women and an elderly man, while eight others are being treated at nearby hospitals, with three reported to be in critical condition.
Located in a densely populated area of Mehrshahr, the building's destruction caused significant blast damage to neighboring structures, including shattered windows and structural cracks in at least five nearby villas.
Emergency response efforts saw Red Crescent workers navigating the smoking ruins, though the presence of persistent drones overhead reportedly hampered and delayed initial rescue operations. The strike on Karaj coincided with a massive bombardment of Tehran, where powerful explosions were reported across multiple sectors according to the Mehr News Agency and Anadolu correspondents.
In Northeastern Tehran, the assault targeted military installations and research centers, while plumes of smoke were visible over the Jomhouri and University Street areas in the city's central district. Western Tehran also faced heavy fire, with hits reported near logistics hubs linked to the IRGC.
Military analysts suggest that while command-and-control centers and missile facilities remain the primary objectives, the high-density nature of these urban zones has led to an increasing number of "collateral" hits on civilian infrastructure.
The operation, part of the ongoing "Epic Fury" campaign launched in late February 2026, has seen more than 1,000 strikes across Iran. The conflict has reached a fever pitch following the confirmed deaths of high-ranking Iranian officials and retaliatory strikes by the IRGC against U.S. assets and regional neighbors.
In a statement following the Karaj incident, Iranian authorities condemned the targeting of residential areas as a "war crime," while U.S. Central Command (CENTCOM) maintained that all targets are strictly military or paramilitary in nature, blaming the Iranian government for placing strategic assets near civilian populations.
As the smoke clears over Mehrshahr, the humanitarian situation in the Tehran-Karaj corridor remains dire. With thousands displaced and essential services flickering, the strike on a simple four-story building has become a grim symbol of the escalating human cost of the 2026 Iran War.