Bulgarian Prime Minister Rumen Radev said a drone carrying a 'significant' amount of explosives exploded near the Romanian border, causing no casualties. A drone from an unidentified source entered Bulgarian airspace from Romania early on Saturday and crashed about 100 meters over the NATO member nations’ shared border in far northeast Bulgaria. Key points and original sources are listed below.

• Bulgarian Prime Minister Rumen Radev said a drone carrying a 'significant' amount of explosives exploded near the Romanian border, causing no casualties.S1

• A drone from an unidentified source entered Bulgarian airspace from Romania early on Saturday and crashed about 100 meters over the NATO member nations’ shared border in far northeast Bulgaria.S2