[9YearLurker]

Looks like sabotage/terrorism to me. (With a pinpoint hit.)

[steve86]

Possibly, an example of what a sleeper crew can do when given instructions to carry out...

[Reno89519]

Video on bridge shows explosion, not sure this is real as not matching others: https://x.com/cackenbools/status/1772526360067768696?s=61&t=-e8uTU2Ol-qHE_arTgIskg

[House Atreides]

“ Looks like sabotage/terrorism to me. (With a pinpoint hit.)”
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Yep, it wasn’t a minor pile cap or pier “scrape” accident, it was dead oh into the pier.