article_snippet: Steven Trewin told a court in Perth, Western Australia Steven Trewin was trying to stop a blonde woman from hitting Steven Trewin.
article_snippet: Ms Swann and Ms Swann friends had come to the station to report Ms Swann and her friends had been attacked by some men while Ms Swann and her friends were leaving a nightclub.
article_snippet: A police officer said Ms Swann was swearing it at Ms Swann and A police officer had to arrest Ms Swann for Ms Swann disorderly conduct .
article_snippet: Ms Swann was drunk at the time Steven Trewin allegedly assaulted Ms Swann and had been swearing at Steven Trewin.
article_snippet: Steven Trewin then arrested Ms Swann when Ms Swann did not leave and did not stop throwing profanities at Steven Trewin.
article_snippet: Steven Trewin told the court while Steven Trewin was taking Ms Swann into custody Ms Swann hit in the face twice with what Steven Trewin believed to be a blunt object. '
article_snippet: I then transferred to the arm bar [arrest technique] to force Ms Swann down to the floor,' Steven Trewin said.
article_snippet: Ms Swann is then forcefully thrown to the ground by A police officer.
article_snippet: My intention was to stop Ms Swann striking me.
article_snippet: I intended to force Ms Swann to the ground, not to throw Ms Swann to the ground.'
article_snippet: While he was questioned about he behaviour by the prosecution, Steven Trewin said Steven Trewin thought Steven Trewin followed the proper procedure to arrest Ms Swann.
highlights_snippet: Steven Trewin said Steven Trewin was stopping Ms Swann, who was drunk, from hitting Steven Trewin .