Lebanon blast, a year on: Lebanese officials 'failed' to protect residents

Senior Lebanese officials knew of the risks posed by the highly explosive material stored for years at Beirut’s port and did nothing to protect the public against it, an international human rights group said Tuesday. In a report on last year's massive blast, Human Rights Watch said those same officials are now trying to thwart the investigation. It called for targeted sanctions against implicated officials and an international probe. FRANCE 24's Sally Farhat tells us more.