ABC News
)Neighbours have described their confusion after a motorcyclist injured in a crash was bundled into a car before later dying on a street in a different northern Adelaide suburb.
The victim, John Hadley, 45, was described as a loving dad by friends and family visiting the scene of the crash.
SA Police said emergency services were called to Whittington Street, Enfield, about 2:00am this morning after receiving reports that a motorcycle travelling east had crashed on the street.
Witnesses told police they saw a car stop and load the motorcycle rider into the car before driving away.
Later, around 2:40am, emergency services were called to Mark Court, Ingle Farm, about 6 kilometres away, after receiving reports that a motorcycle rider had been found unconscious on the street.
Mr Hadley died at the scene despite efforts from paramedics.
Neighbours see man taken away
After crashing, Mr Hadley ended up under Taitusi Lasainajia's work van on Whittington Street.
Mr Lasainajia said he heard a bang and went outside, only to see Mr Hadley underneath his van while his motorcycle whirred about 8 metres away.
He said it was obvious Mr Hadley was in pain but he did not know how badly he was injured.
ABC News
)He said he went back inside to get his phone and then the victim had disappeared with what appeared to be friends.
Another neighbour, Sunil Bhetuwal, said he heard a person under the van shouting and crying before a woman spoke to him, "grabbed" him and put him in the back of a car.
"We don't know the story behind it, but it was really shocking," Mr Bhetuwal said.
Friend Tamla Clogg said Mr Hadley was "a great guy", while comforting the victim's distraught daughter at the scene in Enfield.
"He's a good dad, he loved his daughter so much, he loved his kids so much — the best friend you could ever have," she said.
"I'm going to miss him totally."
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)Police investigating circumstances
Major Crash investigators examined the scene to work out the circumstances that led to the crash and the man's death.
Police said investigators have spoken to those involved in picking up the man, but did not release any further details.
Police are urging anyone with information that may assist the investigation to contact Crime Stoppers.
The number of people killed on South Australia's roads this year now stands at 22, compared to 19 at the same time last year.
Three men and a woman died in crashes over the Adelaide Cup weekend.
