People shout slogans during a rally calling on the Government to rescue the school girls kidnapped from the Chibok Government secondary school in Abuja, Nigeria, Sunday May 11, 2014. The failure to rescue the kidnapped girl students who remain captive after some four weeks has attracted mounting national and international outrage, and one of the teenagers who escaped from the Islamic extremists who abducted the hundreds of schoolgirls, science student Sarah Lawan said Sunday in an interview with The Associated Press the kidnapping was "too terrifying for words". (AP Photo/Sunday Alamba)