Because we do have recordings on the ground, it likely was a blast or a very tiny earthquake.

It's something that we're still looking at, whether this was a blast in Vancouver or North Vancouver construction, it's sort of an unusual time.

It is likely the force of the blast disabled both cameras. You cannot hear or see anything else on either tape.

We were stepping out of the mosque and suddenly a big blast shook the ground.

Which would you rather have, a bursting planet or an earthquake here and there?

They were caught in the blast. There was a lot of rubble around and they were basically scared. They were afraid of going down the stairs, which are filled with rubble. The Israeli workers heard noises and found these people.