footage from Egyptian State TV shows armed personnel carriers began driving through the crowd, crushing demonstrators.
The brigade in the footage is said to comprise about 20 French nationals and 20 Belgians.
Detectives were seeking other footage from a growing area around both attacks.
He told a local newspaper that the footage of him had been taken out of context.
Nine months after the trip, Smith released a short video documentary on Youtube with his footage from Syria.
You'd have to set them in a hole and that takes away some footage.
They might not fit in with the present picture but he knew some day the footage would come in handy.
I got some footage of the tugs grappling the ship, which was now completely weightless, and pulling her down.
The photographer squinted at the footage indicator on the camera, but there was not enough light to note the figures.
This was a familiar task, the same thing I'd done with all the footage and accounts from the riots in the park.