The Asian branch of the transcontinental Liars' League empire is Liars' League Hong Kong. Their first event took place in February 2013, and in 2015 their story The Last Curse by Peng Shepherd was broadcast on BBC Radio 4 as the first in a three-part Liars' League series. They accept flash fiction of 800-1200 words only.
Their Facebook page (check this first for recent updates) is https://www.facebook.com/LiarsLeaguehk/
Their website is https://liarsleaguehk.blogspot.co.uk/