Dalian - Inside Building Bug

Hello all !

Sorry to be asking this, but I really wanted to know how people do what Im about to descrive (or at least attempt to).

For like the 4th time now while playing Dalian, I've come to find an assault inside the warehouse in C. It makes impossible killing him and take over C, the only way is to use either a Tank or an APC. They also seem to be able to enter and leave at theire free will.

It happened to me 4 times now and from different players (at least the IGN was), all assaults, if you guys have some intel on how they do it, please do share, I don't want to take advantage of it, but to take out the cowards that hide inside.

Thanks in advance. Hellride, Over and out !

Try harder?
Use Cheats/Hacks?