Nigeria has announced a huge deployment of soldiers to the north-east of the country to try to rid the area of terrorist bases.
On Tuesday President Goodluck Jonathan declared a state of emergency in Yobe, Borno and Adamawa states after a series of attacks.
The BBC reports fighters from the Boko Haram group are blamed for most of them.
An influx of extra troops and military hardware is already reported in the north-east.
Boko Haram, which means "Western education is forbidden" in the Hausa language, was founded in 2002. It wants to overthrow the government and create an Islamic state in the north.