Dramatic video was caught on camera of an altercation between a woman and police in the middle of the road on Oahu's west side.

Honolulu police say the 31-year-old was arrested after threatening an officer with scissors. Officials also say the woman attempted to drive away in an officer's vehicle. 

It happened in the Nanakuli area around 12:30 Wednesday afternoon.

Witnesses tell KITV4 they saw what looked like the woman getting tased before falling to the ground with blood coming from her head. 

Honolulu police arrested the suspect.