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Why is pre-arrival screening still not implemented here?

It was reported that travellers flying to Singapore will eventually be screened even before they land (Multiple biometric checks at Changi Airport T4; March 12).

Following the Sept 11, 2001 attacks in New York, many countries have mandated that airlines provide information on their passengers and crew via the Advance Passenger Information System (Apis), so pre-arrival screening can be done.

Apis has been in effect for nearly 10 years.

Given the repeated warnings that terrorists will try to carry out an attack on Singapore soil, why is Apis screening still not carried out here?

Tan Soon Hock

A version of this article appeared in the print edition of The Sunday Times on March 19, 2017, with the headline 'Why is pre-arrival screening still not implemented here?'. Print Edition | Subscribe