Reuters published a special report dated 1 November 2021 titled "Dual Agenda: In Ethiopia's Civil War, Eritrea's Army Exacted Deadly Vengeance on Old Foes" by Ayenet Mersie, Giulia Paravicini, and Katharine Houreld.
This is an in-depth report on the role of Eritrean forces in Ethiopia's war in Tigray Region. Eritrea sent tanks and troops to support Abiy Ahmed and settle old scores with the TPLF. It also documents atrocities against Eritrean refugees in Tigray by both the Eritrean Defense Forces and Tigrayan militias.