Investigation underway to ascertain cause of plane crash killing 11 in Tanzania

Air accident investigators inspect a crashed plane at the Empakaai Crater, a caved volcanic caldera in the Ngorongoro Conservation Area in northern Tanzania, on Nov. 16, 2017. A team of air accident investigators from the Ministry of Works, Transport and Communication arrived in northern Tanzania's region of Arusha on Thursday to ascertain cause of a light aircraft that crashed into Empakaai Crater. (Xinhua)