the shura council of mujahideen in derna was created by former libyan islamic fighting group member salim derby on 12 december 2014. the group frequently clashed with isil in derna in disputes over power and resources in the city. in june 2015, isil gunmen killed senior shura council leader nasser akr. the group responded by declaring a jihad against isil. salim derby was killed on 11th of june 2015, as a result of the ensuing clashes.