Suspected Manchester suicide bomber identified

Investigators hunted Tuesday for possible accomplices of the suicide bomber who attacked an Ariana Grande concert in Manchester, killing 22 people and sparking a stampede of young concertgoers, some still wearing the American pop star's trademark kitten ears and holding pink balloons.

UPDATE: US officials report British authorities have identified suspected Manchester suicide bomber as Salman Abedi.

Stars react to explosion at Ariana Grande concert in Manchester: