UPDATE: In two separate attacks, gunmen shot and killed 12 worshippers who had gathered for Christmas-Eve services. One attack occurred in the northeaster Nigerian state of Yobe. Among the dead was the church’s pastor, according to news reports.

The second attack occurred at a Baptist church in Maiduguri, the capital of Borno state.

World Watch Monitor has used Storify to assemble a roundup of early news coverage of the killings. Read the Storify report by clicking here.