Amid a desperate effort to rescue people possibly trapped in an underground room, the immense scale of destruction becomes clear.
Less than 48 hours after a huge explosion wrought devastation across Lebanon’s capital Beirut, the first international search and rescue teams have just arrived.
Sky News’ special correspondent Alex Crawford was with them.
It is the first time we’ve managed to get to the epicentre of the explosion and it is pretty devastating.
This is ground zero.