A video has emerged showing four of the gunmen involved in the massacre at a shopping centre in Nairobi, Kenya.
The footage shows four heavily-armed attackers walking through a storeroom in the mall, and searching other adjacent rooms.
It is understood that the CCTV pictures captured the gunmen mid-way
through the assault - as many of the victims remained trapped
inside Westgate Mall.
The video has surfaced after a government official revealed that
security cameras showed there may have been fewer gunmen than originally
Kenya's government initially said 10 to 15 attackers were involved in the assault, which left at least 67 people dead.
However, the official now believes only four people took part in the protracted siege.
Dozens of youths have been detained in the Majengo slum area of Nairobi
in recent days in police efforts to track down the mall at
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