Dozens of worshippers kidnapped by gunmen in Nigeria's northern Kaduna state have returned home weeks after their abduction, police have confirmed. They were among 177 people seized last month from three churches in the remote village of Kurmin Wali. Police say the 80 escaped on the same day they were taken but hid in neighbouring villages for a fortnight "due to fear of being captured again", state police spokesman Mansur Hassan told the BBC. The authorities say efforts are ongoing to secure