Serbia's Interior Minister Ivica Dacic confirmed Friday that the EU had sent a letter to Serbian authorities asking them to investigate the privatization of over 20 companies in order to determine if they were carried out in line with the law and European criteria.

Minister Dacic noted that the letter, received by the Ministry of Justice, and had already been turned over to the competent state bodies.

"The list contains nothing new that has not already been made public or investigated," Dacic said after signing an agreement between the Interior Ministry and the Telenor company on the protection of children on the internet.

Belgrade daily Blic wrote in its Friday edition that the list included Sartid, U.S. Steel, Jugoremedija, Mobtel, C market, and Luka Beograd.