Azerbaijani authorities said 32 people had survived the crash of the Embraer 190 near the city of Aktau, an oil and gas hub on the eastern shore of the Caspian Sea

With Azerbaijan Airlines reported that 67 people were on board -- 62 passengers and five crew members -- it is feared that 35 may have perished in the crash

The plane was flying from the Azerbaijani capital Baku on the western shore of the Caspian to the city of Grozny in Chechnya in southern Russia

"A plane doing the Baku-Grozny route crashed near the city of Aktau. It belongs to Azerbaijan Airlines," the Kazakh transport ministry said on Telegram

Azerbaijan Airlines, the country's flag carrier, said the plane "made an emergency landing" around three kilometres (1.9 miles) from Aktau

Azerbaijani President Ilham Aliyev declared Thursday a day of national mourning and cancelled a planned visit to Russia for an informal summit of leaders of the Commonwealth of Independent States (CIS), a grouping of former Soviet nations