BBC today.
"Mrs Obama, who was speaking ahead of Mother's Day in the US on Sunday, said the girls reminded her and her husband of their own daughters.

"What happened in Nigeria was not an isolated incident. It's a story we see every day as girls around the world risk their lives to pursue their ambitions," she said.

She cited the Pakistani schoolgirl and campaigner Malala Yousafzai, who was shot and wounded by the Taliban for speaking out for girls' education. "