CLEAN : File Mass burial after army-Shiite clash in northern Nigeria

The transcript discusses a coordinated attack on the Islamic Movement in Nigeria, resulting in over 1000 deaths. It calls for the immediate release of detained leaders and members, and demands justice for the victims. The government is urged to acknowledge the crime and compensate affected families.

How many people were reported killed in the attack mentioned in the text?

What moral responsibility does the text suggest the government has?