The UK number of Samaritans is 08457 90 90 90; the ROI phone number is the one listed under UK.
There is Befrienders International - it gives national suicide prevention support agencies:
www.befrienders.org
Hong Kong Samaritans Hong Kong
Web:
http://www.samaritans.org.hk
Phone: 2896 0000
Email:
[email protected]
They provide a multilingual support service; All volunteers speak English but many also speak Cantonese and Mandarin.