Twenty-one people have been injured in a crash involving two double-decker buses, a truck and a car on Yuen Long Highway in Hong Kong. Police said on Friday that the force was alerted to the traffic accident at 6.35pm. As of 8pm, 12 women and nine men had suffered minor injuries, police said. Among them was the driver of the private car, the force added. Franchised bus firm KMB said two double-deckers on routes 276B and 269B were involved in the accident with the two other vehicles while...