TORONTO (AP) -- Canada's Transportation Safety Board says that Iranian officials have invited it to participate as an observer in analysis of the voice and flight data recorders from the Ukrainian jetliner shot down by a missile.
The crash killed 176 people including 57 Canadians.
TSB Chair Kathy Fox said Monday the is working to build trust with the Iranians and hopes to play a larger role.
Canadian experts also have been invited to inspect the wreckage and the crash site.
Two investigators have obtained visas to travel to Iran and a second team with expertise in recorder download and analysis will be sent.