Cuba has been swept by a new craze - the red, white and blue of the UK's flag.

The Union flag is now all the rage, sported by young Cubans on their clothes, nails - and even spotted as tattoos, and shaved into the back of people's heads.

While for some it is just another fashion symbol, others say the trend began with the London Olympics, which were followed avidly in Cuba and hugely popular.

Sarah Rainsford took a trip around the streets of Havana to see where she could find the Union flag.

The Close-up series focuses on aspects of life in countries and cities around the world. What may seem ordinary and familiar to the people who live there can be surprising to those who don't.