Earlier this month, NATO states Romania and Latvia saw Russian drones crash after breaching their airspace, prompting official calls for measures to act jointly to counter Russia air incursions.

Romanian Defence Minister Angel Tîlvăr says the countries of the Bucharest Nine (B9) "are deeply concerned" by numerous instances of Russian drones and missiles entering the Alliance's airspace and a "decisive" response from NATO is required.

Speaking at a meeting of the Bucharest Nine (B9) format, Romanian Defense Minister Angel Tilvar called for "enforcing the rotational air defense and integrated anti-missile model as soon as possible."

The approval of the $7.2 billion deal for the fifth-generation fighter comes as NATO allies are worried about Russian aggression.

Romania and Latvia, both NATO members and supporters of Ukraine in its 2 1/2-year-old war with Russia, on Sunday were investigating instances of Russian drones that crashed after breaching their airspace,

Romania has confirmed drone fragments on several occasions since Russia began its full-scale invasion of Ukraine.

Romania says Russian drone violated its airspace during nighttime attacks on neighboring Ukraine and urges Moscow to stop what it described as an escalation

The defence ministers of Romania, Poland and Latvia have written a joint letter to their NATO allies stressing the need to immediately strengthen air defence efforts on the Alliance's eastern flank. Source: Delfi,