Even this Southerner got that one; the sign that says Whitby Jet was the confirmation (We've got friends in Yorkshire so we take the North Yorkshire Moors railway when we visit and get fish & chips).
My money is on AI. Little or no corresponding damage to the barge, the barge is floating level and with the side pressure from the lorry, would have drifted to the bank on the other side canal leaving the lorry to drop off the bank. The same lorry is also pictured elsewhere on fire having put the nearside front wheel off the key side on a canal and onto a barge. Andy