At Least 13 Syrian Children Killed In Mortar Attack

MELISSA BLOCK, HOST:

This is ALL THINGS CONSIDERED from NPR News. I'm Melissa Block.

AUDIE CORNISH, HOST:

And I'm Audie Cornish. We begin this hour in Syria, with some tragic news from the fighting and word of a possible defection. First, at least 13 children were killed when a mortar round hit a school today.