GAUHATI, India (AP) — Police in India arrested 22 people after separatist rebels went on a rampage, burning homes and killing 29 Muslims in the worst outbreak of ethnic violence in the remote northeastern region in two years, officials said Saturday.

The arrests came after authorities called in the army to restore order in Assam state and imposed an indefinite curfew in the wake of the killings blamed on the rebels from the Bodo tribe, who have long accused Muslim residents of sneaking into India illegally from neighboring Bangladesh.