The controller told the truck to proceed, before telling it to stop. That was a serious ATC error.
If the timings on the video at https://www.youtube.com/watch?v=Pbm-QJAAzNY are accurate, it had time to cross; it seems they dawdled a bit.
Controller probably should've told them to expedite the crossing or warned that traffic was about to land, but they were managing a lot at once; tower+ground by themselves and an emergency already.
alt Hacker News
If the timings on the video at https://www.youtube.com/watch?v=Pbm-QJAAzNY are accurate, it had time to cross; it seems they dawdled a bit.
Controller probably should've told them to expedite the crossing or warned that traffic was about to land, but they were managing a lot at once; tower+ground by themselves and an emergency already.