Fact check Poland will close its border with Belarus at midnight Thursday in response to the Russian‑Belarus “Zapad‑2025” military exercises, for national security reasons

Checked on September 20, 2025
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1. Summary of the results

The claim that Poland will close its border with Belarus at midnight Thursday in response to the Russian-Belarus "Zapad-2025" military exercises for national security reasons is partially supported by the analyses provided. According to [1], Poland is closing its border with Belarus on Thursday at midnight local time due to Russia-led military exercises, which aligns with the 'Zapad-2025' drills [1]. Similarly, [1] and [2] also support the claim, stating that Poland will close its border with Belarus at midnight on Thursday due to the Russian-Belarusian Zapad-2025 military exercises [1] [2]. However, other sources, such as [3] and [4], do not directly support or contradict the claim as they do not mention the specific details of the border closure [3] [4]. Additionally, [5] mentions that Poland's border with Belarus was closed on September 12 due to security threats posed by the Zapad military exercises, but does not specify the midnight Thursday closure [5]. The majority of the sources that provide relevant information support the claim, but the exact timing and details of the border closure are not consistently reported across all sources [1] [2].

2. Missing context/alternative viewpoints

A key piece of missing context is the exact duration of the border closure, which is not specified in the original statement or most of the analyses [3] [4] [5]. Additionally, some sources provide alternative viewpoints, such as [6], which mentions that the Zapad-2025 drills took place between September 12 and 16, but does not mention the border closure [6]. Another alternative viewpoint is presented by [7], which states that Poland closed all border crossings with Belarus as the Zapad-2025 drills began, but does not specify the midnight Thursday closure [7]. These alternative viewpoints highlight the importance of considering multiple sources when evaluating the claim. Furthermore, the sources that mention the participation of other countries, such as India, in the Zapad-2025 drills, provide additional context that is not directly relevant to the claim, but highlights the complexity of the geopolitical situation [8].

3. Potential misinformation/bias in the original statement

The original statement may contain some degree of misinformation or bias, as it presents a specific and categorical claim about the border closure, which is not universally supported by the analyses [3] [4] [5]. The sources that support the claim, such as [1] and [1], may have a pro-Polish or pro-NATO bias, as they present the border closure as a necessary measure to ensure national security [1]. On the other hand, sources that do not mention the border closure or provide alternative viewpoints, such as [6] and [7], may have a more neutral or objective perspective [6] [7]. It is essential to consider these potential biases and evaluate the claim based on the available evidence. The Polish government and NATO may benefit from the border closure being presented as a necessary measure to ensure national security, while the Russian and Belarusian governments may benefit from the claim being presented as an overreaction or an escalation of tensions [1] [6] [7].

Want to dive deeper?
What are the implications of Zapad 2025 military exercises on regional security?
How will the Poland Belarus border closure affect trade and travel between the two countries?
What is the history of military cooperation between Russia and Belarus?
What role does NATO play in Poland's national security strategy?
How have previous Zapad military exercises impacted Poland's relations with Russia and Belarus?