Poland invoked Article 4 of the NATO treaty following multiple incursions of Russian drones into its airspace, which were intercepted and shot down by Polish and NATO forces.
Poland invokes Article 4 of NATO after Russian drones violate airspace

NATO Ally Poland Shoots Down Russian Drones, 'Huge Number' Violate Airspace - Newsweek
Source: newsweek.com
Key Evidence
Polish Prime Minister Donald Tusk publicly announced the request for NATO consultations under Article 4 after 19 Russian drones violated Polish airspace overnight.
aerotime.aeroaerotime.aeroPoland invokes NATO Article 4 after Russian drone incursions
defence-industry.eudefence-industry.euPoland asks to invoke Article 4 of NATO treaty after airspace violation by...
Polish and NATO fighter jets shot down multiple drones during these incursions.
cbc.cacbc.caPoland on high alert after shooting down Russian drones in its airspace
bbc.combbc.comPoland says it shot down Russian drones after airspace violation+1 more
Poland described the drone incursions as an act of aggression and called for a NATO meeting to discuss collective security measures.
dw.comdw.comPoland calls NATO meeting after downing Russian drones
uk.news.yahoo.comuk.news.yahoo.comWhat happens if a Nato country is attacked? Poland issues Article 4 request...
What the Evidence Shows
Multiple independent and reliable sources confirm that Poland experienced a significant violation of its airspace by Russian drones, with reports consistently citing 19 drone incursions, many originating from Belarus. In response, Poland scrambled its air defenses and shot down numerous drones considered a direct threat. Following these events, Poland formally requested consultations under Article 4 of the NATO treaty, which allows member states to seek collective discussion when they perceive a threat to their territorial integrity or security. This invocation is notable as it marks a serious diplomatic and military response to what Poland described as an act of aggression amid ongoing Russian attacks on Ukraine.
Key points from the sources include:
The number of drone incursions (19) and their origin (Belarus) as stated by Polish Prime Minister Donald Tusk.
The deployment of Polish and NATO fighter jets to intercept and shoot down the drones.
Poland's official request to NATO invoking Article 4 for consultations, signaling heightened security concerns.
Commentary on the implications for NATO's response strategy, emphasizing caution to avoid escalation.
No credible sources contradict these facts; rather, they provide consistent details about the incident and Poland's diplomatic actions. The temporal context is recent, with all reports dated around the same timeframe, confirming the event's immediacy and relevance.