The children were placed in shelters until the authorities could determine more about their background.
The authorities also had not determined by Tuesday evening what kind of gun was used.
This is how the authorities determined that the 11 shootings in the Washington area were from the same weapon.
The President added that the authorities could then determine what penalties to assess.
It is, however, for the Egyptian authorities to determine the right of entry into the country.
But he said the authorities have not determined what these symbols mean.
The authorities have not determined a motive for the incident.
Local authorities will now determine who may dispose of what and when.
The authorities have not determined the cause of death on the two others.