Summarize this content to 2000 words in 6 paragraphs Two separate homicide investigations have been launched after two bodies were found in different parts of Victoria on Tuesday: one in Melbourne’s outer-west and another near a tiny Mallee town in the state’s north.A man’s body was discovered in a park off Elementary Road in Mambourin – a new estate next to Manor Lakes in Melbourne’s outer-west – about 7.30am on Tuesday.In a statement released just before midday, police said homicide detectives were investigating the death of the man, who was yet to be formally identified.“A man, who is believed to be known to the victim, is currently in custody assisting police with inquiries,” police said.“The exact circumstances surrounding his death are yet to be determined.”Photos from the scene showed orange tarp and police tape around a playground just north of Laa Yulta Primary School, which opened last year.Separately, a body was discovered after emergency services responded to a grass fire early Tuesday morning near Quambatook, a tiny farming town on the Avoca River in Victoria’s north-west.Homicide detectives will lead the investigation into the death after the body was found at the old Quambatook cemetery on the southern outskirts of the town, which has a population of 229.
