The computer started the clock when an attacker appeared, stopped it when he was hit.
When the crystal dust settled, the attackers appeared to have lost nerve.
But the attackers do not appear to include foreigners, he said.
The attackers appeared in a district court and were sentenced to community service.
Another senior official said the attackers appeared to be from different countries.
The first attackers did not appear on the opposite shore until the sun was well up.
They reached the back of the building just as the first attackers appeared.
Shots began to ring out, orders were yelled, but so far not a single attacker appeared.
The attacker appears to have made use of the joint operation to get near the American forces.