More than 5,000 civilians flee the southern state of Bayelsa following threats of Boko Haram attacks against Christians there. In the following months, the insurgents carry out a series of coordinated attacks in Kano, Nigeria’s second biggest city, killing nearly 200 people. They detonate bomb-laden cars in market areas and churches. In April Boko Haram release a video calling for a jihad against the UK, the US and Israel, although these countries were not directly targeted.
To understand the evolution and shift in scale of Boko Haram campaign of violence in Niger , Nigeria , Cameroon and Chad this excellent series visual timeline maps gives a depressingly clear view of the challenge facing the country's new President.