**Warning: Edit contains graphic material**<br/> <br />New footage released by an Australian coroner Tuesday shows the events leading to a Brazilian student's death.<br/> <br />According to local media, the New South Wales coroner is investigating if police followed guidelines when they tasered Roberto Laudisio Curti.<br/> <br />The 21-year-old died on March 18 after he was chased down and repeatedly tasered by police following a convenience store disturbance.<br/> <br />Previously unreleased security camera footage from central Sydney captured the events.<br/> <br />Officials said he was on LSD which made him paranoid and restless.<br/> <br />Witness Tommy Wang was in court to testify Tuesday.<br/> <br />(SOUNDBITE) (English) WITNESS TOMMY WANG SAYING:<br/> <br />"He was empty-handed and there were six police."<br/> <br />More than 30 people are due to give evidence at the inquest into his death.
