FILE PHOTO: Passengers' belongings are pictured at the site where the Ukraine International Airlines plane crashed after take-off from Iran's Imam Khomeini airport, on the outskirts of Tehran, Iran January 8, 2020. Nazanin Tabatabaee/WANA (West Asia News Agency) via REUTERS

KIEV (Reuters) - Ukraine’s prosecutor’s office and security service have asked Iranian authorities to give Kiev black boxes from the crashed Ukrainian plane, the prosecutors office said on Wednesday.

A top Ukraine security official said this week that a senior investigator from Iran was expected to visit Ukraine soon and determine whether a Ukrainian laboratory would be suitable to work on the black boxes.