A group of South Sudanese students had a quarrel at the Syndicate of Journalists while celebrating their graduation from Cairo University branch in Khartoum.
Two of the students were slightly injured, a source told MENA.
A car parked outside the Syndicate was left with broken glass, the source added.
Eleven students were arrested with seven pieces of white arms in their possession, the source said.
All legal measures will be taken against them and an investigation will be launched, the source added.