we've independently verified gang activity in camp 4 extension at that time, and saiful says he secretly recorded this video of security guards confirming the presence of gunmen in the camp. in an email seen by the bbc, unhcr denied any gang activity and said saiful was spreading false information. according to eva buzo, unhcr has downplayed the threat posed by gangs at the request of the bangladeshi government, who also put restrictions on their work. this is something the bangladeshi government has previously denied.