Police are not taking action until they know whether the men face charges.
He is the first African head of state to face such charges in an international court.
Now he faces charges of a much more serious nature.
It was not immediately known if he would face charges.
An 18-year-old and a 16-year-old are due to appear in the same court to face a similar charge.
Three of the students in the case also face criminal charges.
Two more students still face criminal charges in the case.
Four of them have been charged and the others may face charges.
He is the second staff member to face criminal charges.
His family and former ministers are also going to face 26 further charges.
