50 killed as Russian airline's Boeing 737 crashes at Kazan airport

All 50 passengers aboard a Boeing 737 belonging to Russian airlines have been killed after the plane crash landed in Kazan, near Moscow.

The passenger plane of Tatarstan Airlines crashed during its second landing attempt at Kazan airport, Fox Business reports.

According to the report, 44 passengers and six crew members were those among dead.

However, the reason for the crash wasn't clear yet.