[brityank]

Note appended to your link:

Reuters

CORRECTED - Obama's "Beast" comes a cropper in Dublin (Corrects to remove reference to the president and his wife abandoning the vehicle after it became wedged. The White House later said they were not in the car at the time.)

There are two limos inside the gate one behind the other, both with flags on the fenders. Doubt we'll ever know which one he was in, but knowing the propensity of this White House to massage the facts I'd guess they're lying.

[dragnet2]

It’s possible he was in neither. The commonly use decoy vehicles, aircraft and even people on occasion, depending on where their at, the threat level etc, etc.