Four sets have been discovered , with DNA testing to be done . Typhoon Megi unleashed the slides last week . Comment: A search also is on for a Chinese tour group leader and a Taiwanese bus driver .
Four sets have been discovered , with DNA testing to be done . Typhoon Megi unleashed the slides last week . Nineteen tourists from southern China are among the missing . A search also is on for a Chinese tour group leader and a Taiwanese bus driver .