Two 118s loading passengers simultaneously - 8453 came after that AVBWU. I believe this scene has few things to do with the Tsuen Wan Line train collision - after all, the pressure on Admiralty is higher these days.
<a href="//commons.wikimedia.org/wiki/User:N509FZ" title="User:N509FZ">N509FZ</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>