Belarus-Poland Border Sees New Migrant Smuggling Tactic: Tunnel Construction

Recent developments on the Belarus-Poland border reveal a sophisticated new tactic employed by criminal networks to facilitate the illegal movement of migrants: the construction of underground tunnels. This escalation in smuggling methods comes as Poland continues to reinforce its border security, prompting traffickers to seek more clandestine routes for those attempting to reach the European Union.

Tunnel Discovery and Construction

In December 2025, Polish authorities uncovered a tunnel used to smuggle over 180 migrants from Belarus into Poland [Reuters]. The tunnel, approximately 50 meters long on the Belarusian side and 10 meters long on the Polish side, was reinforced with concrete pillars to prevent collapse and stood around 1.5 meters high. Polish officials believe Belarus contracted tunneling specialists, potentially from regions with experience in tunnel construction like the Gaza Strip, Lebanon, and other parts of the Middle East, to design and dig the tunnel [Reuters].

Escalation of Smuggling Efforts

The use of tunnels represents a significant shift in migrant smuggling tactics. Previously, traffickers relied on cutting through border fencing, which was often detected by Polish border guards. The increasing sophistication of these methods underscores the ongoing efforts to circumvent border security measures. Since 2021, Belarus has been a key transit point for migrants, primarily from the Middle East and Africa, attempting to enter Poland, with over 100,000 attempts recorded in recent years [Reuters].

Border Security and Detection

Despite the innovative smuggling techniques, Polish border security remains vigilant. The use of physical and electronic surveillance, including thermal imaging cameras and detection systems, allows for the identification of illegal crossings, even those originating underground [Reuters]. Europol has likewise been actively involved in dismantling criminal networks facilitating these smuggling operations [Europol].

Latvian Border Situation

Neighboring Latvia has also been monitoring the situation closely. While tunneling is physically possible, Latvian border officials believe the terrain – characterized by swamps, dense forests, and thick roots – presents significant challenges to tunnel construction. The soil composition between Belarus and Poland is considered more suitable for tunneling than that of Latvia. Latvian authorities have observed fewer instances of balloon attempts to cross the border, attributing this to prevailing wind directions [BBC News].

Ongoing Concerns and Future Threats

Experts suggest that the tunneling attempts may serve as a test of border security capabilities. While the investment required for tunnel construction may outweigh the benefits, the potential effectiveness of such tunnels, as demonstrated in regions like the Gaza Strip and on the Mexican border, cannot be entirely dismissed. However, Latvia’s geographical characteristics and higher groundwater levels build large-scale tunneling operations less feasible.

Key Takeaways

• Migrant smuggling between Belarus and Poland has evolved to include the construction of underground tunnels.
• Polish authorities have detected and intercepted migrants using a recently discovered tunnel.
• Belarus is suspected of hiring tunneling experts from the Middle East to facilitate these operations.
• Poland is utilizing advanced surveillance technology to detect and respond to illegal border crossings.
• Latvia assesses the risk of tunneling as lower due to its challenging terrain.