This story has been made freely available as a public service to our readers. Please consider supporting SCMP’s journalism by subscribing.An independent committee investigating a fire that killed 168 people at a Hong Kong housing estate is holding its third public hearing, with three residents expected to testify after a government lawyer gives an opening statement on Tuesday.Leung Ho-hin, Tse Yuk-wa and Ko Yee-lui were identified as the first three witnesses in the series of evidential...