A chilling confession emerged in the aftermath of a tragic incident involving two teenagers in Sydney’s northwest. A 15-year-old boy reportedly admitted to a police officer, “I stabbed another boy in the leg,” following a fatal altercation.

The victim, a 17-year-old boy, succumbed to stab wounds inflicted on his thigh during an encounter at a local park around 4:20 p.m. on the previous day. The confrontation, which took place in broad daylight, was witnessed by several passersby.

Approximately three hours after the incident, the accused teenager arrived at a police station, accompanied by a parent, and was subsequently charged with murder.

In court, the accused sat silently, dressed in a black hoodie and sporting a distinct mullet haircut with shaved sides. He did not seek bail and was remanded in custody. The case is scheduled to return to court in eight weeks.

The boy did not apply for bail and was remanded in custody for eight weeks, when the case returns to court.

The stabbing happened in broad daylight within sight of numerous people walking nearby.

Authorities remained at the scene today as locals laid flowers in tribute to the slain teen.

Police said those involved in the confrontation were not from the nearby school and officers believe it was not a random attack.

Several female witnesses who were in the park at the time rushed over to help the victim.

Paramedics were called but the teen died soon after.

“It would have been a horrifically confronting situation for those people and I can only praise them for their efforts,” Detective Superintendent Naomi Moore told reporters on Monday evening.

“It was a potentially dangerous situation they were walking into, but they thought nothing of themselves to go in and render aid.”

NSW Premier Chris Minns sent his condolences to the teenage boy’s family and friends.

“I am deeply saddened by the death of a teenage boy at Rouse Hill and extend my sincere condolences to his family and friends,” he said in a statement.

“It is an unimaginable loss, and the whole community will feel the impact.”

Local federal MP Michelle Rowland said she was deeply saddened by the incident.

“There is no place in our community for these acts of senseless violence, and I know this news will be particularly distressing for local families,” she said.

The accused murderer is scheduled to return to court on January 23.