An investigation into the deadly crash of an Azerbaijan Airlines flight in Kazakhstan earlier this week came after the passenger plane experienced “physical and technical external interference,” the carrier said Friday.

Azerbaijan Airlines has suspended several more services to Russian cities after preliminary indications that "external interference" played a role in the fatal loss of an Embraer 190. The aircraft, bound for Grozny as J28243 on 25 December,

The extraction of flight data from the Brazilian-made Azerbaijan Airlines in Kazakhstan last month was completed at a lab run by Brazil's air force, according to a statement released by the entity on Monday.

After an Azerbaijan Airlines plane crashed in Kazakhstan in December, killing 38 people, a video surfaced across social media in multiple languages alongside the claim it showed the moments before the tragedy.

Azerbaijan Airlines said Friday the passenger jet that crashed in Kazakhstan on Christmas Day experienced “physical and technical external interference,” according to an early investigation.

The European Union Aviation Safety Agency has warned airlines against flying over Russia due to the high risks posed by the ongoing Russia-Ukraine war. The warning follows the deadly crash of an Azerbaijan Airlines plane in Kazakhstan.

Russia and its four flight information regions (FIRs) to a list of potentially dangerous airspaces for civilian aircraft. According to the agency, the decision aims to "ensure maximum flight safety amid the ongoing full-scale war Russia is waging against Ukraine.