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Photo taken with mobile phone shows a burning vehicle at the accident site in southwest Pakistan's Mastung on Oct. 23, 2018. At least seven people were killed when a van carrying smuggled petrol hit into a truck in Mastung district of Pakistan's southwest Balochistan province on Tuesday morning, local reports said. (Xinhua/Stringer)

ISLAMABAD, Oct. 23 (Xinhua) -- At least seven people were killed when a van carrying smuggled petrol hit into a truck in Mastung district of Pakistan's southwest Balochistan province on Tuesday morning, local reports said.

The collision triggered fire in the van, burning all seven people onboard to death, Samaa News reported.

Police said the driver was hiding smuggled petrol in a make-shift tank in the van, and they have cordoned off the area to probe into the incident.

Three vehicles parked near the accident site also caught fire. The blaze disrupted road traffic for three hours.