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WATCH: Al Shabaab’s history as a terror group


Pete Williams, Roger Cressey and Michael Leiter joined Andrea Mitchell Reports Monday to share more details about Al Shabaab, the Islamic militant group claiming responsibility for the attack at a Kenyan mall, that so far has killed 62 people.

NBC’s Ron Allen also joined in from location in Nairobi to share the latest update on the situation.

Watch the video above for more.

WATCH: Al Shabaab's history as a terror group