On a hot summer evening two months ago in the Lebanese capital of Beirut, a catastrophic explosion ripped through the city. It looked like a scene from a disaster movie, but it was very real.

Four Corners pieces together the story of the explosion, tracking down many of the people who filmed the blast as well as those who were dramatically shown on screen.

Using previously unseen footage, the program tracks the final minutes of the emergency responders who had no idea what they were walking into.

In this city with so many connections to Australia, the pain and grief is immense, as is their anger.

Breaking the silence about sexual abuse in sport. Around the world sporting codes have been engulfed in scandal with revelations about the sexual abuse of young athletes by coaches, and administrators accused of covering up.