Nigeria's leader vows 'total war'

[BBC]

 Nigeria under attack

• 20 May: Twin bomb attacks killed at least 122 people in the central city of Jos
• 18 May: Suicide blast on a busy street in northern city of Kano kills four, including a 12-year-old girl
• 5 May: Boko Haram militants slaughter more than 300 residents in the town of Gamboru Ngala
• 2 May: Car bomb claims at least 19 lives in the Nigerian capital, Abuja
• 14 April: Twin bomb attack claimed by Boko Haram kills more than 70 at an Abuja bus station; the same day, the group abducts more than 200 schoolgirls from the remote northern town of Chibok

Source: BBC.co.uk