SARAJEVO, July 17 - RAPSI. David Harland, former political advisor to the United Nations Protection Force (UNPROFOR) during the war in Bosnia and Herzegovina (1992-1995) stated on Monday at the trial of former Bosnian Serb military leader Gen. Ratko Mladic that Serbian troops did not have the ghost of chance to avoid NATOs use of force, Serbian news agencies report.

Harland is the second prosecution witness at Mladic's trial, who is charged with military crimes against Muslims and Croatians.

According to the witness, both Serbians and Muslims violated the demilitarization agreement in the Srebrenica and Zepa "safe areas", but NATO threatened only to use force against Serbs.

Harland said that UNPROFOR mandate was intended to prevent attacks on the "safe areas" by all means possible and the international forces eventually arrived at the conclusion that the use of force was the option.

The trial is one of the most high-profile in the Hague tribunal's history. Mladic is accused of genocide, crimes against humanity and the breach of laws and customs of war. Mladic was arrested on May 26, 2011, and the trial started on May 16, 2012.