NEW : National Justice Committee blames `` interference from outside '' for the violence . Egypt 's prime minister says the clashes `` brought us back , '' forces are `` scrambling '' The army says one troops died ; a Egypt leader says 17 civilians died ; one official says 12 total . An emergency meeting with army and Coptic leaders will be Sunday , an official says .
NEW : The Egyptian Rebels Coalition blames `` interference from outside '' for the violence . Egypt 's prime minister says the clashes `` brought us back , '' forces are `` scrambling '' The army says 12 troops died ; a Coptic leader says 17 civilians died ; one official says 23 total . An emergency meeting with army and Coptic leaders will be Monday , an official says .