At least one suicide bomber has driven a vehicle packed with explosives into a crowded Catholic church in northern Nigeria.
Reports about the number of deaths vary between eight and 15. At least 100 people have been wounded. No-one has yet claimed responsibility.
Police say St Rita’s church in the ethnically mixed and volatile Kaduna was targeted.
In the last three years human rights organisations say Islamic militants Boko Haram have led an insurrection blamed for 2800 deaths.
Police in Kaduna set up barricades after growds of angry Christians, some armed, gathered and threatened retaliatory violence.