If we're going to have political jokes…

A passenger gets off the Air India flight to Belfast, and wanders through the city sleepily in search of a hotel. He comes to an area where all the kerbstones are painted red white and blue, in an attractive example of local folk art, and stops to look around. Two men detach themselves from a wall and come over to him.

"Where you from, laddie?" one asks him.

"India, actually," he says, preparing to ask them for directions, but the other one interrupts -

"What part of India?"

"Delhi."

Both of the men go purple with rage, and roar, "That's LONDON Delhi!!!"