'US to join Ukraine airliner crash probe in Iran'

The US National Transportation Safety Board said Thursday it will join the probe into the Ukrainian Boeing airliner which went down in Iran. In a statement posted on its Twitter account, the agency said it had "received formal notification" from Iran of the crash which occurred on Wednesday.

source https://timesofindia.indiatimes.com/world/us/us-to-join-iran-crash-probe-ntsb/articleshow/73181058.cms