The Moldovan government officially summoned Russia’s ambassador on Tuesday, hand-delivering a formal note of protest following a dramatic drone crash in neighboring Romania last week that left two civilians injured.

A Russian military drone crashed in eastern Poland early Wednesday, raising tensions along NATO’s eastern flank as Western leaders continue their efforts to advance fragile peace talks with Moscow over the war in Ukraine.

Debris from an unidentified drone has been discovered in western Kazakhstan, prompting an investigation by local authorities.

Moldovan police have reported that two drones crashed in the country, one of which exploded near Chadyr Lunga. Preliminary analysis suggests that its fragments belong to a Russian drone.