There is such a thing as emergencies at sea. They aren't supposed to land you in hot water. Of course they can't be used as excuses, but this emergency seems legit.
The Britons were part of the nine-strong crew of the Kingdom of Bahrain, a racing yacht, which was apprehended by the Iranian navy on Wednesday.Don't expect the Iranians to give much. They are still holding American hikers and others who have strayed into Iran by accident.
It is thought the boat, which carried a satellite tracker, may have drifted into Iranian waters after its propeller was damaged.