Police seek assistance to search for missing man with Down Syndrome December 26, 2013 - 9:43PM 22 reading now Missing: Kalolo Kalolo. Police are appealing for help to find a 21-year-old man with Down Syndrome who has gone missing in Sydney's west. Kalolo Kalolo was last seen at his home on Vincennes Avenue in Tregear around 10pm on Christmas Day. Police from Mt Druitt Local Area Command were alerted on Thursday morning when he could not be found or contacted. Mr Kalolo is of Pacific Islander appearance, around 125cm tall, solid built and with black hair. He was last seen wearing a blue and yellow t-shirt, black tracksuit pants and blue, red, grey and white high top sneakers. Police said there is serious concern for Mr Kalolo's wellbeing as he has Down Syndrome and a number of medical issues. Police are urging anyone with information about this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://www.police.nsw.gov.au/.