Joint declaration made by Egypt, Eritrea and the recognized governments of Sudan and Somalia that is fairly clearly targeted at Ethiopia. The actual text of the declaration can be read here which I’ll copy:

El Alamein Joint Declaration Issued by the Quadrilateral Consultative Summit between Egypt, Sudan, Eritrea, and Somalia El Alamein, 4 October 2026

1. At the invitation of His Excellency President Abdel Fattah El‑Sisi, President of the Arab Republic of Egypt, His Excellency President Isaias Afwerki, President of the State of Eritrea; His Excellency President Hassan Sheikh Mohamud, President of the Federal Republic of Somalia; and General Abdel Fattah Al‑Burhan, Chairman of the Transitional Sovereignty Council of the Republic of Sudan, convened today, 4 October 2026, in New Alamein City for a Quadrilateral Summit. The Presidents held intensive fraternal consultations on current regional and international issues, as well as on ways to strengthen political, trade, and economic cooperation among the four countries, and to enhance consultation and coordination among them.

1. The Summit underscored the necessity of adhering to the fundamental principles and pillars of international law as the foundation for regional stability and cooperation, particularly respect for the sovereignty, independence, and territorial integrity of the states of the region. The leaders emphasized the importance of upholding the values of good‑neighborliness, rejecting interference in the internal affairs of the region’s states under any pretext, supporting national institutions, and promoting political and peaceful solutions to conflicts.

1. The Summit discussed the coordination of joint efforts to achieve regional stability, create a conducive environment for shared and sustainable development, and advance economic, trade, and cultural relations. The leaders emphasized that such cooperation would contribute to fostering economic integration and interconnection, promoting sustainable development, and strengthening ties among the peoples of all participating states, taking into consideration their unity of purpose and common destiny.

4.The summit addressed a number of issues and the views of the participating leaders were aligned on the following:

a- Supporting the unity, sovereignty, territorial integrity, and national institutions of the Republic of Sudan; rejecting the establishment of any parallel entities; encouraging the resumption of a Sudanese-owned and Sudanese-led political process; supporting national institutions; and categorically rejecting any support for mercenaries.

b- Supporting the unity and sovereignty of the Federal Republic of Somalia; rejecting any interference or actions targeting its territorial integrity and national sovereignty; and rejecting any recognition of or support for the so-called "Somaliland," as this constitutes an infringement upon the sovereignty and territorial integrity of the Federal Republic of Somalia.

c- Supporting the Federal Republic of Somalia’s counter-terrorism efforts and the empowerment of state institutions to extend their control over the entire territory; and calling upon regional and international partners to provide adequate, sustainable, and predictable funding for the African Union Support and Stabilization Mission in Somalia (AUSSOM) to support the security transition process and enable the mission to execute its mandate regarding the orderly transfer of security responsibilities to Somali forces.

d- Affirming the principle of freedom of navigation and that the governance of the Red Sea is the exclusive responsibility of the littoral states.

e- Emphasizing the importance of respecting international law regarding transboundary rivers—including the Nile River—particularly the principle of "no harm" and the obligation to cooperate through prior notification, consultation, and consensus; and categorically rejecting any unilateral measures that harm the existing water uses of the two downstream Nile states.

f-Continuing to further strengthen consultation and coordination among the four countries and other sisterly African nations.

5.The leaders agreed to establish a mechanism to follow-up on the outcomes of this consultative summit, which will be held periodically, and whenever the need arises, to enhance consultation and coordination among them.

6.The Presidents of Eritrea, Sudan, and Somalia expressed their sincere appreciation for the hosting of this consultative summit.

For context all of these states have various problems with Ethiopia. Egypt wants to contain Ethiopia as if Ethiopia grows too strong and stable Egypt is afraid that Ethiopia could use its status as the source of the bulk of the water of the Nile River to bend Egypt over a barrel and extract whatever concessions since the overwhelming majority of Egypt’s population are right along the banks of the Nile and rely utterly upon it. Eritrea had a thaw with Ethiopia after a long period of terrible relations since independence of Eritrea and the extended cold war and joined in the earlier Tigray War as a quite vicious participant on Ethiopia’s side, but that went frosty after Ethiopia cut Eritrea out of the peace deal. Since then Ethiopia has done some saber rattling about securing a port by any means necessary, including by force if peaceful means fail. Recently they cut diplomatic relations as Ethiopia views Eritrea as supporting Ethiopian rebels. Sudan is livid at Ethiopia and has made allegations that Ethiopia is training RSF rebels in camps across the border and also launching/allowing drone attacks to be launched from Ethiopian airports to strike Sudan including in its capital city’s international airport. Some Ethiopian rebels have actually been helping out the recognized Sudan government against RSF, such as Army 70. And for Somalia aside from intermittent wars between them there was a relatively recent incident where Ethiopia tried to become the first country to recognize the Somaliland separatists trying to break out of Somalia in exchange for a port deal, only to get cold feet and backtrack under intense international pressure.

It seems like Ethiopia is thus far doing much better against the rebels than the government forces fared last time (it did bulk up the military and get a lot of drones) despite fewer allies, they recently occupied the capital of the TDF rebels which is hardly an auspicious start for the rebels in a war they initiated. That said, the rebels in Tigray are tenacious and had not only their capital but many vital interior areas occupied in the last war before launching Operation Alula and turning the tides so they can’t necessarily be counted out just for having lost Mekelle, especially if they do actually have substantial foreign support… remains to be seen how the four aforementioned countries will react if Ethiopia really does start dismantling the various rebel movements within it in earnest.