A devastating explosion in the heart of Athens has killed six people, including four Americans, after a two-story building collapsed just steps from one of Greece’s most famous tourist attractions.
The blast rocked the historic Plaka district shortly after 7:30 a.m. Friday, Sept. 25, near the Acropolis, sending debris into the street and damaging nearby buildings, cars and businesses.
Rescue crews spent hours digging through the rubble, using search dogs, thermal cameras and specialized listening equipment in hopes of finding survivors.
By Saturday, authorities had recovered six bodies from the collapsed building.
Four of the victims were believed to be American tourists staying in a short-term rental on the first floor. The other two were an elderly British man and his Greek wife who lived upstairs.
The American group had reportedly been scheduled to leave Athens later that same day.
Local reporting said they were expected to catch an afternoon flight out of the city, making the timing of the disaster especially heartbreaking.
Two women were also rescued from an adjacent building and taken to the hospital. A passerby suffered minor injuries as well.
The explosion was powerful enough to tear away the front of the building and leave neighboring structures unstable.
Athens Mayor Haris Doukas described the destruction as an “incredible disaster.”
Investigators are now trying to determine exactly what caused the blast.
A natural gas leak is considered one of the leading possibilities, but officials stressed Sunday that no final cause has been established. Fire investigators are examining pipes, utility systems, video footage, witness statements and structural evidence from the scene.
Witnesses had reported smelling gas in the area before the explosion, and the building had a natural gas connection.
One municipal official said preliminary information pointed toward a possible problem with the building’s internal gas network rather than the external distribution system, although forensic investigators are still working to confirm what happened.
The tragedy is also raising troubling questions about safety in the popular tourist neighborhood.
Residents of Plaka had reportedly warned officials as far back as 2025 about the danger posed by possible gas leaks, fires and other emergencies in the district’s narrow streets and aging buildings. They had even requested an emergency-response drill.
The Plaka neighborhood sits directly beneath the Acropolis and is packed with restaurants, hotels, shops and vacation rentals visited by travelers from around the world.
Now one of Athens’ most recognizable tourist districts has become the scene of a heartbreaking international tragedy.
The U.S. Embassy in Greece said it is assisting the families of the four American victims as authorities continue working to formally establish the identities of those killed and determine what caused the explosion.
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