Alex Hughes strikes with the first ball of his second over to break the Essex opening stand - Delport goes for 55. #FinalsDay ball-by-ball: es.pn/Blast19Semi2

At the halfway stage of their innings, Essex are 91/1. #FinalsDay ball-by-ball: es.pn/Blast19Semi2

Five overs to go of the Essex innings, they're 123/4. Can Ravi Bopara turn up the tempo in the death overs? #FinalsDay ball-by-ball: es.pn/Blast19Semi2

Ravi Rampaul claims the wicket of Ravi Bopara, caught by Luis Reece for 27. Essex 141/5 with 14 balls remaining. #FinalsDay ball- by-ball: es.pn/Blast19Semi2

Essex finish their 20 overs on 160/5 - enough for a spot in the #Blast19 final? #FinalsDay ball-by-ball: es.pn/Blast19Semi2

It's a cracking #FinalsDay atmosphere at Edgbaston! #Blast19

Essex captain Simon Harmer strikes with his first ball to remove the Derbyshire skipper! The Falcons are 30/2 after 3.1 overs. #FinalsDay ball-by-ball: es.pn/Blast19Semi2

Aron Nijjar, playing in his second T20 match of his career, bowls Wayne Madsen for 17. Derbyshire are 48/3 after 5 overs. #FinalsDay ball- by-ball: es.pn/Blast19Semi2

A second wicket for Aron Nijjar - Matt Critchley is bowled for 5. Daryn Smit walks in with Derbyshire in some trouble on 81/6 after 10.4 overs. #FinalsDay ball- by-ball: es.pn/Blast19Semi2

Derbyshire lose their seventh wicket, Nijjar has his third of the afternoon as Alex Hughes is stumped for 23. Derbyshire 86/7 after 12.4 overs. #FinalsDay ball-by-ball: es.pn/Blast19Semi2

Essex are two wickets away from the #Blast19 final as Dan Lawrence hits Hudson- Prentyce's middle stump. Derbyshire 91/8, chasing 161 to win. #FinalsDay ball- by-ball: es.pn/Blast19Semi2

Three overs remain of the second #Blast19 semi-final. Derbyshire need 43 from 18 balls with two wickets in hand. #FinalsDay ball-by-ball: es.pn/Blast19Semi2

Simon Harmer gets a fourth! Essex one wicket from victory... #FinalsDay ball-by- ball: es.pn/Blast19Semi2

Simon Harmer takes a career-best 4/19 as Essex seal their spot in the T20 Blast Final for the first time! Scorecard: es.pn Blast19Semi2 #Blast19 #FinalsDay

Essex win their maiden T20 Blast title! Simon Harmer hits the winning runs on the final ball in a low-scoring thriller! Essex win by four wickets! Scorecard: es.pn/Blast19Final #Blast19 #FinalsDay

Total joy. Heartbreak. #Blast19 #FinalsDay

What a day for @SimonHarmerRSA! ✅ 4/19 against Derbyshire 3/16 against Worcestershire The best ever #FinalsDay bowling analysis Hit the title- winning runs ✅ #Blast19 champion captain!

Essex Eagles, #Blast19 champions!