LAHORE A 25-year-old youth was killed when his motorcycle bumped into a donkey-cart here in Harbanspura area, police said on Monday. Muhammad Shahbaz riding on motorcycle was on his way home when his two-wheeler smashed into a donkey-cart in Salamatpura vicinity, police said. He sustained severe head injuries and was rushed to a nearby hospital, where doctors pronounced him dead. The police are investigating.