No one has claimed responsibility for the April 14 attack on the Government Girls Secondary School in Chibok, in northern Nigeria, but Boko Haram is suspected. The group, which has ties to al-Qaeda's Saharan and Somali proxies, is fighting for strict Islamic law to be introduced across Nigeria's north, which is majority Muslim but moderate. Its name means "Western education is sinful".
More than 1,500 people have died in the conflict this year, including 75 in a car bomb on the day of the abduction.
Borno state governor Kashim Shettima, centre, visits the school where gunmen abducted more than 200 students in Chibok, Nigeria. Photo / AP
The event is a major embarrassment for Nigeria's military, which announced last week that security forces had rescued all but eight of those kidnapped, but was then was forced to retract the statement.
Musa Muka's 17-year-old daughter Martha was preparing to sit her O-Levels. "I have not seen my dear daughter, she is a good girl, we plead with government to help rescue her and her friends; we pray nothing happens to her," Mr Muka said.