An explosion rocks the U.S. Embassy in Greece which is believed to be the work of home-grown terrorists.
The U-S embassy in Athens closed Friday after what Greek police are calling an act of terrorism.
An anti-tank shell hit the heavily guarded building early Friday morning.
Charles Reis the US Ambassador to Greece said, "The good news is that no one was hurt, the embassy was occupied at the time, there were no injuries, no one was hurt, minimal damage."
The shell struck the third floor just missing the embassy emblem. Investigators found the device they believe was used to fire the shell at a nearby construction site.
While police and emergency crews rushed to the scene.. traffic across parts of central Athens came to a standstill for more than three hours.
The U-S ambassador to Greece said the attack came without warning.
"There can be no justification for such a senseless act of violence," said Reis.
Greek police are checking phone calls made on behalf of left-wing militants claiming responsibility. A Greek official says a homegrown group is likely responsible for the attack.