A new call for mobilisation would be announced later Saturday, it said, adding the next protest would "target the government and all those blocking the aspirations of the Moroccan people".
Muslim groups began protesting in the streets of Birgunj on Sunday against the vandalism of a mosque in a nearby town, which was followed by a separate demonstration by Hindu.
The interim government and its leader have come under criticism from many of the people who took part in the protests and expected major changes in the Himalayan nation.