David Willey got the day off to a flying start with an opening spell that saw off Warwickshire's top three. Here, skipper Varun Chopra is trapped plumb in front Getty Images
Ateeq Javid's partnership with Rikki Clarke, as well as some late hitting from Laurie Evans, gave Birmingham hope, but their 131 always looked underpar Getty Images
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And so it proved, as Richard Levi's half-century, and a cameo from Shahid Afridi saw Northants home with two overs to spare Getty Images
Between innings focus turned, as ever, to the day's most anticipated sporting event: the Mascot Race. Vinny the Viking continued these heady times for Yorkshire, seeing off Somerset's Stumpy, who tripped with the finish line in sight Getty Images
The second semi-final began with customary fanfare.... Getty Images
...but also proved to be a bit of a damp squib, as a stodgy pitch prevented free-scoring cricket. As his Hampshire team-mates struggled around him, skipper James Vince played with typical elegance for his 69 Getty Images
His team-mates kept finding way to get out, though, as Lancashire's spinners Stephen Parry and Arron Lilley made hay Getty Images
Fidel Edwards thought he had a second early wicket, but Alex Davies was caught off a no ball, and a few verbals followed Getty Images
James Faulkner came in and smashed two sixes to secure Lancashire's place in the final, alongside Karl Brown who made an unbeaten 45 Getty Images
...and so to the final. Alex Wakely won the toss and invited Lancashire to have a bat first Getty Images
Compatriots Rory Kleinveldt and Ashwell Prince bump fists on the way to the middle, as Lancashire made a flying start Getty Images
But the introduction of spin pegged Lancashire back - Ben Duckett sharply stumped Karl Brown off Shahid Afridi Getty Images
Up in the stands.... Getty Images
...there was plenty of fun to be had.... Getty Images
Out in the middle, Afridi grabbed two wickets in two balls, including prize scalp James Faulkner Getty Images
The night's sky over Birmingham looked rather marvellous as Northamptonshire kicked off their chase Getty Images
James Faulkner got the first two Northants wickets, first Richard Levi.... Getty Images
...then David Willey, playing his final white-ball game for Northamptonshire Getty Images
Shahid Afridi shared 50 with Josh Cobb... Getty Images
... but was caught on the fence: Liam Livingstone celebrates taking the catch to dismiss Boom Boom Afridi Getty Images
James Faulkner suffered a dislocated finger, but continued to bowl Getty Images
After Rory Kleinveldt was caught by captain Croft, off youngster Gavin Griffiths, the celebrations began.... Getty Images
