Police said the truck driver fled the scene following the accident on the Highway No 304 in Nadee district at around 6 pm. 
	The truck crashed into two passenger vans, a pickup-truck, a sedan car and a big bike. 
	Police suspect the truck driver was speeding down the hill, causing the brake system to malfunction before it swept the five vehicles. 
	The four killed victims were identified as Chaiphat Latthikul, 42, Prayoon Srikhamthong, 32, an unknown man and unknown woman. 
	The Nation 
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Nongluck is a senior economic journalist covering the macroeconomics, real estate, and corporate investment strategies driving growth across Thailand and Southeast Asia.

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