Azerbaijan’s leader on Monday accused Moscow of carrying out a “cover up” over a passenger jet crash last month that claimed 38 lives, as relations sour between the two neighbors.

Azerbaijani leader Ilham Aliyev is demanding answers, saying Vladimir Putin's latest apology "isn't enough" and that Moscow must take responsibility.

Azerbaijani President Ilham Aliyev blasted Russia for putting forward “absurd” theories initially and said Moscow must compensate victims’ families.

Vladimir Putin apologized Saturday after the US and Azerbaijan accused Russia of shooting down a passenger plane, killing 38 people.

Russia's federal air transport regulator states that the Azerbaijan Airlines Embraer 190 which crashed after diverting to Aktau had made two unsuccessful attempts to land at Grozny, the flight's original destination.

Azerbaijan Airlines Flight 8243, an Embraer 190 aircraft, was flying from the Azerbaijani capital of Baku to the city of Grozny in Russia's North Caucasus region on Wednesday when it was diverted ...

Two U.S. military officials told NBC News that they had intelligence indicating that Russians may have misidentified the plane and shot it down.

In the crash’s aftermath, Azerbaijan has unleashed rare and stinging criticism of Russia, with the country’s president saying Moscow’s response has caused “surprise, regret and rightful indignation.”

Europe’s air transport safety regulator has expanded its conflict-zone advisory for Russian airspace, following the crash of an Azerbaijani airliner damaged by military activity in Chechnya.

The European Union Aviation Safety Agency (EASA) has issued a warning recommending airlines avoid western Russian airspace due to heightened safety concerns stemming from Russia’s ongoing war with Ukraine.

Chechen leader Ramzan Kadyrov is believed to be sheltering two men linked to plots to assassinate two Uzbekistani officials last year, according to an Uzbek source personally familiar with the situation who spoke to The Moscow Times on condition of anonymity for fear of reprisal.