The Great Wall of China, the Colosseum in Rome and Peru’s Machu Picchu are leading contenders to be among the new seven wonders of the world, as a massive poll draws to a close.

Ukraine marked the 20th anniversary of the Chernobyl disaster today with pealing bells, candlelit ceremonies and parliamentary debates about how much the country still does not know – and how much it needs to do to bring relief to the millions affected by the world’s worst nuclear accident.

Paul McCartney’s dream to perform on Red Square is coming true tonight when the former Beatle makes his first ever appearance in Russia.