MAIDUGURI, NIGERIA (REUTERS) - Suspected Boko Haram Islamists killed at least 30 people in sporadic shooting at a funeral in Borno state, north-east Nigeria, on Saturday (July 27), a security source and a resident told Reuters.

Borno state is the epicentre of the Boko Haram and related Islamic State in West Africa (ISWA) insurgency.

The conflict has lasted a decade and the group has killed thousands and displaced millions in Nigeria's north-east region.