CNN The Situation Room March 20, 2015 22:02:00
Massacres at the mosques in yemen and warnings from isis that this is the start of a new campaign of terror. let's go to our pentagon correspondent barbara starr. >> reporter: some of the attackers pretended to be disabled. they were wearing casts and apparently they had explosives hidden inside. the horrifying aftermath. hundreds killed and injured after suicide bombers attacks mosques in yemen. isis websites claiming responsibility. saying this is the tip of the iceberg iceberg. u.s. officials say they cannot verify the claim, cautioning militants may be affiliating with the organization kno...