Hong Kong police have arrested a 38-year-old man on suspicion of driving under the influence of drugs following a three-vehicle crash that left two people injured. Police said they received a report at 1.48pm on Saturday of a traffic accident along Pok Fu Lam Road involving a large truck and two light goods vehicles. The force said the 38-year-old driver of one of the light goods vehicles failed a drug test that was administered at the scene.