Two Sharks are swimming around in the Irish Sea,

One says to the other "I'm bored of eating all this mackerel"

Second shark pipes up "Fancy going to Morecombe for a Chinese?"

http://news.bbc.co.uk/2/hi/uk_news/politics/3488036.stm

Tory leader Michael Howard has expelled an MP from the parliamentary party for failing to apologise for a joke about the deaths of 20 Chinese cocklers.
...
The latest incident involved comments - about sharks and a take-away - she made at a Whitehall dinner to improve Anglo-Danish relations, attended by MPs and industry figures.<7I>