Video footage has shown the dramatic scenes after a van burst into flames in Prestwick.
Fire crews have now extinguished the flames and early reports show no one has been seriously injured.
One witness at the scene said: "It appears that their pick up truck exploded into fire very quickly.
"It looked like there were three people in the vehicle and they got out very quickly.
"Two fire engines, an ambulance and three police vehicles raced to the scene."
The Hamilton Tarmac vehicle exploded on Shaw Road in Prestwick before emergency services rushed to the scene at around 11.40am.
The road has been closed off with a police van at the end of the street.
The witness added: "One of the guys was getting checked over in the ambulance by paramedics. But he looks okay.
"The other two are talking to the fire brigade.
"They look like contractors for the council to tar the roads."
Smoke could be seen billowing from miles away and another witness reported hearing a bang that sounded like "an airplane had crashed" from their garden.
They said: "I was out in the garden when I heard a loud explosion.
"It sounded like a bomb had gone off or an airplane had crashed, I hope no one was hurt."
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