More countries are offering Nigeria their support to help find over 220 schoolgirls who were kidnapped last week by extreme Islamist group. USA, China, France, Britain and Canada have all told Nigeria's government they will do what they can to locate missing girls. group Boko Haram kidnapped girls and said it would sell them. U.S. president Barack Obama said kidnapping was both "heartbreaking" and "outrageous". American military experts are now in Nigeria to hunt for children. China has promised computer equipment and special software to help find them. One of Egypt's top Islamic universities said harming girls "completely contradicts teachings of Islam". Malala Yousafzai, Pakistani schoolgirl shot in head by Taliban in 2012 for going to school, expressed her shock at kidnappings. She said: "These girls are my sisters, and I am feeling very sad." She had special message for girls, saying: "Never lose hope because we are with you." Malala compared situation to what was happening in her hometown of Swat, Pakistan. She said: "It is what happened in Swat as well. In Swat, we were suffering. Girls were banned from going to school and banned from going to market." She added: "They were in schools trying to study, thinking about their future, and then suddenly some people came and abducted them." She called it "another kind of terrorism".