A rift has developed between Russia and Azerbaijan, which have had long political, economic and cultural ties.

The rift, provoked by the deaths of two ethnic Azerbaijanis in Russian custody, was the latest in a series of spats that revealed a deeper diplomatic rift between the former allies.

Baku reaffirms expectations for ‘thorough, objective’ investigation into raid in Russian city of Yekaterinburg that resulted in death of 2 Azerbaijanis, says Foreign Ministry - Anadolu Ajansı