The biggest is Brewdog's stout, Black Heart, which bosses say has "significantly disrupted" Guinness' 100-year grip ... when its popularity dipped as lager began arriving from mainland Europe ...

Guinness has always been a staple of pubs in Ireland and the UK, with many preferring a "pint of the black stuff" to a lager. Though it's always had younger fans, some had come to regard it as ...

This Guinness and Cider combines beer and cider with a stout, not a lager. A Black Velvet Cocktail is Guinness and Champagne.

In 2014, Guinness was priced at just £4.50 at Cheltenham, meaning that a pint of the black stuff has now nearly ... charging punters £7.80 while a premium lager costs 40p less at £7.40.

About 380,000 pints of the black stuff ... of no-alcohol Guinness are expected to be supped at the four-day festival, which gets under way tomorrow. Some 120,000 pints of lager and 10,700 mini ...