American President, Barack Obama has apologised to the Afghan people for the burning of Korans by American troops at a United States base.
In a letter to the Afghan President, Mr Hamid Karzai, Mr Obama expressed deep regret saying the incident was a genuine mistake.
He assured Mr Khazai that American Authorities will question all those responsible.
Demonstrations against the violation yesterday continued for a third day across Northern and Eastern Afghanistan.
The Afghan authorities have been blamed for poor handling of the violence.
Meanwhile, the Taliban have called on Afghans to kill and beat all invading forces in revenge for insulting the Koran.