UNICEF highlights children's plight

"Hundreds of millions of children suffer discrimination and exploitation but are invisible to the world, the UN agency for children says in its annual report.

"They include trafficked children -- some of whom are sold for sex -- who 'disappear' from mainstream society.

"Others, including street children, are denied basic rights such as schooling and healthcare.

"Children not registered at birth are among those most likely to be forgotten and invisible, the report said." Continue: BBC