`The U.S. Embassy in Athens was hit by a rocket-propelled grenade Friday morning, said top metropolitan police officer Asimakis Golfis.
U.S. Ambassador Charles Ries said the explosion injured no one and caused minimal damage, but was still being treated as a “very serious attack.”
The entire compound in downtown Athens is a crime scene, he told reporters.
Greek counterterrorism authorities and U.S. officials are working to uncover who is behind the attack, Ries said.’