An explosion at a coffee bar near the U.S. Embassy in Tirana injured a waitress.
The explosion, caused by 10 grams (0.35 ounces) of dynamite, slightly injured waitress Violeta Pano, 50, and damaged Bar Deus, located meters away from the U.S. Embassy in the Albanian capital, according to a police statement.
Police are investigating who was responsible and what sort of device was used.
Though not officially acknowledged, Albanian and U.S. intelligence services are closely collaborating ahead of President George W. Bush's visit to the country June 10.
Rescuers found the pilot of one of the two Su-34 fighters that had collided in midair in the Far East on January 18