A version of this article appeared in the print edition of The Straits Times on September 09, 2020, with the headline 'Instability over border set to continue as trust breaks down: Experts'. Print Edition | Subscribe
We have been experiencing some problems with subscriber log-ins and apologise for the inconvenience caused. Until we resolve the issues, subscribers need not log in to access ST Digital articles. But a log-in is still required for our PDFs.