Man charged over alleged ambush murder of Scot Phillips outside his Seaton home

A 19-year-old man has been charged over the alleged stabbing murder of Scot Phillips outside his home in Adelaide.

A two-day search for an alleged attacker ended with the man's arrest this morning.

He didn't apply for bail when he appeared in court via videolink and will remain behind bars tonight.

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His identity cannot be revealed due to the ongoing police investigation but detectives say he was known to Phillips.

It's alleged the 19-year-old stabbed Phillips, also 19, to death outside his own home in Seaton on Tuesday night.

Police said power was cut to Phillips' home to lure him outside, where his alleged killer was waiting.

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They alleged he was stabbed in a ferocious manner a number of times with a large knife.

A number of weapons and items were found and are still being forensically examined.

Prosecutors have asked the court for 12 months so that DNA and toxicology reports can be done.

The charged man will remain in custody until this time next year.