The rising spate of insecurity in Nigeria has raised concerns about global security of supply, in addition to Iran sanctions and Libyan unrest. Nigeria has been experiencing security unrest with the Islamic militant groups of Boko Haram, as well as the Movement of the Emancipation of the Niger Delta (MEND).The Central Bank of Nigeria recently downgraded its growth estimates from 7-8% in 2012 to 6-7%, citing security complications in the rural north for the slowdown in agricultural output. Furthermore, there have been increasing attacks on oil pipelines.