There were no skid marks at the scene of a fatal collision between a truck and a bus in Japan's northernmost island of Hokkaido, suggesting the truck's driver may not have hit the brakes, police said Tuesday, as they investigate whether the goods vehicle was the cause of the crash.The police are investigating the truck's owner, pig farming company Nippon Clean Farm Ltd., on suspicion of negligence over the accident, which killed the drivers of both vehicles and three bus passengers.They searched an office in Hokkaido used by the Aomori Prefecture-based company on Monday, seizing documents r…READ FULL ARTICLE