Welcome to the Weekly Brief by tut0ugh. This past week, world leaders gathered at the UN General Assembly, US-China relations took centre stage, and countries advanced new defence, economic and strategic partnerships worldwide.
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81st UN General Assembly brings world leaders together amid global conflicts and geopolitical tensions
The 81st United Nations General Assembly (UNGA81) brought world leaders together in New York from 18 September to address major global challenges, including conflicts, artificial intelligence, climate change and the future of international cooperation. The General Debate began on 22 September under the theme “Restoring trust, managing transformation: A United Nations that delivers for all.”
UN Secretary-General António Guterres warned that “faultlines in our world are widening”, calling for stronger international cooperation on peace, climate action and emerging technologies. US President Donald J. Trump highlighted national sovereignty and security concerns, while other leaders addressed conflicts including Ukraine and Gaza, economic challenges and reform of global institutions.
Discussions also focused on artificial intelligence governance, sustainable development and strengthening multilateral institutions.
Xi Jinping visits United States leaders seek stability in US-China relations
Chinese President Xi Jinping visited Washington for a state visit hosted by US President Donald Trump, marking a high-level engagement between the world’s two largest economies.
The leaders discussed areas of cooperation and ongoing differences, including trade, artificial intelligence, critical minerals and broader geopolitical issues. Trump said the United States and China could achieve a “lasting and positive” relationship, while Xi said the two countries should “strengthen dialogue and cooperation” and “properly manage differences” to promote stability.
The visit included a White House state ceremony and meetings between the two leaders, with discussions focused on strengthening economic ties, addressing strategic challenges and maintaining communication channels amid continued US-China competition.
Ethiopia-Tigray tensions escalate as fighting threatens 2022 peace agreement
Fighting between Ethiopia’s federal government and forces linked to the Tigray People’s Liberation Front (TPLF) has intensified, raising concerns over the collapse of the 2022 peace agreement that ended the Tigray war.
The escalation followed the formation of the Ethiopian Peoples’ Forces Alliance for Survival, a coalition of seven armed groups, including the TPLF, which has called for political change in Addis Ababa. Clashes have spread across parts of Tigray, Amhara and Afar regions, with both sides accusing each other of initiating hostilities.
The renewed violence has prompted international calls for de-escalation and a return to dialogue, amid concerns over humanitarian impacts and wider regional instability.
US and Italy strengthen critical minerals cooperation; Partners for Multilateralism initiative launched at UN General Assembly
The United States and Italy have signed a Memorandum of Understanding to strengthen cooperation on critical minerals, with US Secretary of State Marco Rubio and Italian Deputy Prime Minister and Foreign Minister Antonio Tajani signing the agreement in New York.
The MoU aims to support secure supply chains and industrial cooperation, with both officials highlighting the importance of critical minerals for economic competitiveness.
Meanwhile, the European Union, Australia, Barbados, Brazil, Canada, India and Kenya launched the Partners for Multilateralism initiative during the 81st UN General Assembly High-Level Week.
The initiative promotes cooperation on international law, UN reform, sustainable development, resilient supply chains and emerging challenges including artificial intelligence.
Australia establishes Strategic Partnership with Netherlands; signs 10-year security agreement with Ukraine
Australia and the Netherlands elevated bilateral relations to a Strategic Partnership during talks between Australian Prime Minister Anthony Albanese and Dutch Prime Minister Rob Jetten in New York on the sidelines of the 81st UN General Assembly.
The agreement expands cooperation on defence, security, trade, clean energy, climate action and multilateral diplomacy, including collaboration on Indo-Pacific stability and support for Ukraine.
Meanwhile, Australia and Ukraine signed a 10-year Bilateral Security Agreement, strengthening cooperation on defence, cyber security, intelligence sharing, humanitarian support and post-war reconstruction.
South Korea and Mexico expand cooperation; Nigeria and US deepen mining partnership
South Korea and Mexico adopted the Korea–Mexico Joint Action Plan 2026–2030, expanding cooperation across artificial intelligence, defence, energy, investment and critical minerals.
South Korean President Lee Jae Myung and Mexican President Claudia Sheinbaum oversaw the signing of 17 memorandums of understanding covering areas including aerospace, AI and defence, while negotiations concluded on a revised Bilateral Investment Treaty.
Meanwhile, Nigeria and the United States signed a framework agreement to increase American investment in Nigeria’s mining sector during the 18th UN General Assembly.
Signed by Nigeria’s Minister of Solid Minerals Dele Alake and US Deputy Secretary of State Christopher Landau, the agreement focuses on mineral exploration, processing, geological data and infrastructure development.
Canada and Norway strengthen Arctic and defence partnership; Belgium and Rwanda restore diplomatic relations
Canadian Prime Minister Mark Carney and Norwegian Prime Minister Jonas Gahr Støre reaffirmed their countries’ strategic partnership following talks in Ottawa, expanding cooperation on Arctic security, NATO, defence, energy, artificial intelligence, space and critical minerals.
The leaders also confirmed continued support for Ukraine, including Canada’s participation in the German-Norwegian Type 212CD submarine programme, while advancing talks on future defence cooperation.
Meanwhile, Belgium and Rwanda restored diplomatic relations during the 81st UN General Assembly after 18 months of tensions linked to the conflict in eastern Democratic Republic of the Congo. Belgian Foreign Minister Maxime Prévot and Rwandan Minister of Foreign Affairs and International Cooperation Olivier Nduhungirehe agreed to reopen embassies and maintain dialogue.
Türkiye-Iraq ties deepen as Uganda suspends defence cooperation with Ankara
Türkiye’s President Recep ayyip Erdoğan and Iraq’s Prime Minister Ali Zeydi met during the 81st UN General Assembly, agreeing to strengthen cooperation on security, trade and investment.
The countries agreed to enhance security coordination in Sinjar, support the transfer of the Başika-Zilkan base to Iraqi federal control, and accelerate the Development Road Project.
Meanwhile, Uganda’s military suspended defence cooperation with Türkiye following a dispute over political blogger Fred Lumbuye. Uganda People’s Defence Forces spokesman Colonel Chris Magezi said the suspension would remain until outstanding issues are resolved.
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