Police say the vending task force was conducting regular enforcement of unpermitted vending when a scuffle broke out.
EXCLUSIVE: Hot dog vendor arrested in viral video responds to SFPD's claim she staged incident
They say the vendor hit a port employee -- though we do not see that happen in the video.
Police intervened and handcuffed the vendor as she was resisting.
It's not clear whether the vendor knew she was breaking the law.
This is the original video of the incident that went viral.
EXCLUSIVE: SF hot dog vendor arrested in viral video speaks out as police, community respond
EXCLUSIVE: Hot dog vendor disputes SFPD's claim she staged incident
Police say it is edited and does not show what led up to her arrest.
They say if a port worker is harassed or attacked, they will intervene.