Protesters faced off with police outside the interior ministry in Cairo on Sunday, according to CNN.
Protesters threw rocks at police, who retaliated with tear gas.
Tensions in Egypt have been escalating since the riot that occurred at a soccer game at Port Said on Wednesday, which lead to the death of more than 80 people. According to BBC, the governor of Port Said resigned on Thursday.
Protesters nationwide are demanding that the government take steps to make reforms and improve security. At least 40 have been arrested in the protests.
"Egypt is facing a dangerous situation that is not simple to deal with," Deputy Interior Minister Gen. Ahmed Gamal El Din said in a statement Sunday.