Kano, Nigeria’s second city and the largest in the north, was the site of Boko Haram’s deadliest attack yet, when coordinated bombings and shootings left at least 185 people dead in January.KANO (AFP) – Gunmen with explosives attacked a police station on Tuesday in the northern Nigerian city of Kano, previously targeted by Islamist militant group Boko Haram, a police source said.

