Guinea on Friday released 16 security personnel from neighboring Sierra Leone arrested earlier this week, two officials said, a move that may de-escalate the latest flare-up of a long-running border dispute.

"Colombia will not lose its Amazon River," Colombian President Gustavo Petro wrote this week on X. With that, the president continued to fuel a diplomatic dispute that began days ago with Peru, which he accused of occupying Colombian territory.

Cambodia’s Prime Minister, Hun Manet, has nominated U.S. President Donald Trump for the Nobel Peace Prize, praising his "extraordinary statesmanship" in resolving a border dispute between Cambodia and Thailand.

Thailand has turned down offers of third-party mediation to end its escalating conflict with Cambodia, saying it prefers to resolve the crisis through direct bilateral talks.

Poland has announced the deployment of 5,000 soldiers to its border with Germany in response to what it calls illegal “pushbacks” of failed asylum seekers by German authorities.

Poland will reintroduce border checks with Germany starting Monday, escalating a growing dispute between the two neighbors over migration policy and the future of Europe’s Schengen free-movement zone.

Thailand has closed its border to almost all travelers from Cambodia as diplomatic tensions escalate over a territorial dispute between the two neighboring Southeast Asian countries.

Cambodia announced on Monday that it will file a complaint with the International Court of Justice (ICJ) regarding ongoing border disputes with Thailand.

Armed clashes occurred between Taliban forces and the Pakistani military along the disputed border between the two countries, according to a statement from Taliban Defense Ministry spokesman Inayatullah Kharazmi.

UN Secretary-General Antonio Guterres expressed hope on Tuesday that the Central Asian countries of Kyrgyzstan and Tajikistan will resolve their border disputes peacefully, News.Az reports citing Anadolu Agency.