Andrea Mitchell Reports, 9/23/13, 1:01 PM ET

Officials try to gain control over Kenyan situation

NBC’s Pete Williams, terrorism analysts Michael Leiter and Roger Cressey share more details on the militant group claiming responsibility for the Kenyan mall...

WATCH: Al Shabaab’s history as a terror group

Updated

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

Updated