“Iran does not carry out strikes against neighboring countries. This incident requires a thorough investigation,” the official said.

Azerbaijan summoned Iran’s ambassador after drone strikes from Iranian territory reportedly hit Nakhichevan, damaging an airport building.

Iranian drones reportedly struck Nakhichevan airport, while several other UAVs fell in nearby areas, according to Azerbaijani media.

Authorities say two groups of Afghan citizens attempted to illegally cross the Armenia–Iran border via the Araks River in February.

The largest share in the project belongs to British energy company BP, with roughly 30 percent.