Over 900 people dead in Nepal floods

Nepal says it is intensifying efforts to free hundreds of people trapped inside tunnels at hydropower projects, including the Trishuli-3A site, following Wednesday's flash floods. We speak to a teacher who saved hundreds of his students.

Also today, the US launches strikes on Iran for the first time since late July. Iran responds with attacks on military bases in the region.

Novak Djokovic breaks down in tears during US Open first-round exit.

(Photo: Muna Khadka, mother of Aayush Khadka, 21, who lost his life during the deadly flash floods and a mudslide, mourns; Credit: Adnan Abidi/Reuters)