An explosive device went off at about 1am on Wednesday in suburb of Tbilisi, about 100 meters from the U.S. embassy building, police said.

No one was injured.

Police destroyed with water cannon another explosive device found in the same site, where formerly an open-air auto market was located. Now empty area is next to a cemetery and explosion damaged its wall and a grave.

A wall, dividing the U.S. embassy territory from the area, is located about 60-70 meters from the location where the explosive devices were set off, Shota Utiashvili, head of information and analytical department of the interior minister, told Civil.ge. He said the embassy wall was not damaged.

The U.S. embassy in Tbilisi confirmed that its property was not damaged.

Police said the investigation was ongoing and declined to reveal type of explosive devices or other details.