"I WANT to see my brother. C'mon, I'll take you all on," screamed the man at the police cordon as he arrived at Sydney's latest shooting yesterday.

Just minutes earlier, Dyllan Kettule was gunned down in front of his girlfriend, shattering the relative peace of Equity Place, a Canley Vale cul-de-sac.

As paramedics battled unsuccessfully to save 19-year-old Mr Kettule, the news spread quickly and his friends and acquaintances descended on the scene.

media_camera TA man aged in his 20s was gunned down on Equity Place, Canley Vale about 2.45am

The riot squad was called to deal with the angry men who demanded to see the body only to be refused access by police. Three men were handcuffed and taken away, but all were later released.

One resident, who asked not to be named, said she heard three gunshots about 2.45am then a car accelerated away from the scene.

Other witnesses said a woman, believed to be Mr Kettule's girlfriend, was shrieking hysterically.

The victim's brother, Amar Kettule, needed to be restrained after demanding to see the body.

media_camera A group of men began physically assaulting police. At this stage police arrested the men and placed them in handcuffs.

"This woman was just screaming over and over again … she was shaking, I think she was in shock," a neighbour said.

Another neighbour said he heard three gunshots and saw someone running to the end of the street and down an alleyway.

Friends and family of Mr Kettule continued to descend on the scene yesterday morning. Some wore Nomads bikie colours.

media_camera Emotions were running higb at the scene / Picture: Gordon McComiskie

"I'm not going anywhere until you tell me where my brother is," one man said during a brief ­confrontation with police.

In a separate incident about 20 minutes earlier a man, 32, escaped unhurt when his car was shot at in nearby Hinchinbrook.

Detectives from Cabramatta Local Area Command and the State Crime Command's Homicide Squad are conducting investigations into the shooting.

They have urged anyone who saw or heard any suspicious activity in the street to contact police.