Trinh Ba Phuong is a land rights defender who was vocal about land grabbing by the Viettel Group and its impact on small-scale farmers in Vietnam, before being arrested on June 24, 2020 with his brother, Trinh Ba Tu, and their mother, Can Thi Thieu. On February 10, 2022, Phuong’s father Trinh Ba Khiem published on social media a video filmed in front of Hanoi Police Detention Centre denouncing the ongoing solitary confinement of Trinh Ba Phuong and the alleged acts of torture and ill-treatment to which he has been subjected.