12 hundred children in the UK are born with a cleft lip or palate every year. Little is known about what causes it.
To help provide some definitive answers, the world's biggest ever research programme into the condition has been launched, with Bristol experts leading the project.
More top news
The forecast with Luke Castiglione. Mild tonight. Dry and sunny tomorrow but turning unsettled later in the week.
Crowds wanting to enjoy the home comforts of a night indoors and a hot shower first have to escape the site first - here's a handy guide.
Adele described performing at Glastonbury as the "best moment" of her life as she took to the Pyramid Stage.