RIYADH, 28 January — A search launched by civil defense rescue teams for three people, including two children, who went missing three days ago, is continuing for a second day with the help of helicopters. According to relatives, a man and his two children left their home for Al-Buwaib area north of the city three days ago. The search teams found their car abandoned but there was no trace of the missing trio, Al-Riyadh newspaper reported yesterday.