A radical Muslim sect attacked a church worship service in Nigeria’s north-east during assaults that killed at least 15 people, authorities said today, as Christians vowed to defend themselves from the group’s widening sectarian fight against the country’s government.

Members of a radical Muslim sect attacked a church in north-east Nigeria during a worship service, part of a series of assaults that killed at least 13 people, authorities said.

Gunmen from a radical Muslim sect attacked a town hall in Nigeria, killing at least 20 people who had gathered for a meeting of a Christian ethnic group.