The British Transport Police have advised music fans to leave plenty of time to travel to the Norfolk Showground as the festival returns for its fifth year.

As the arena gates open for the first day of Sundown Festival, thousands have travelled from all over the UK to see chart-toppers take to the stage.

MORE: Sundown Festival 2017, Norwich: Headliners, tickets, transport and timings- everything you need to knowBritish Transport Police East Anglia tweeted on Saturday afternoon: 'Norwich train station has been very busy with festival-goers for Sundown Festival ... please plan your journey to and from the festival .'

https://twitter.com/BTPEAnglia/status/903981642376769536

Sergeant Mark Shepherd from Norwich East Safer Neighbourhood team has also been tweeting about the festival - taking selfies with the public and showing off the drone used to police the event.

MORE: 10 questions with... Norfolk rapper Franko FraizeOn the main stage tonight, Rag'N'Bone man, who won the British Breakthrough Act at the 2017 Brit Awards, will perform hits including 'Human', 'Skin' and 'As you Are'.

https://twitter.com/SgtMarkShepherd/status/903982682123763712

Also joining him as a headliner is comeback king Craig David , who has enjoyed chart success since returning from his seven year hiatus with number one album 'Following My Intuition'.

Local rapper Franko Fraize from Thetford delighted crowds with his afternoon set on the main stage.

https://twitter.com/roxyfoxcat4/status/903972181394280448

MORE: Festival-goers flood into Norfolk Showground as Sundown returns for its fifth yearSaturday timings

Main Stage: John Galea 1.05pm-1.25pm, Franko Fraize 1.35pm-1.55pm, Tom Grennan 2.15pm-2.35pm, Raye 2.55-3.15pm, Mistajam 3.40pm-4.25pm, AJ Tracey 4.45pm-5.05pm, Kurupt FM 5.25pm-6.10pm, Wiley 6.35pm-7.20pm, Rag'N'Bone Man 7.50pm-8.50pm, Craig David 9.30pm-10.30pm

https://twitter.com/SgtMarkShepherd/status/903993063906955265

Castle Stage: Low Steppa 1pm-2.30pm, Mak a& Pasteman 2.30pm-4pm, DJ SKT 4pm-5.30pm, Camelphat 5.30pm-7pm, Disciples 7pm-8.30pm, Hannah wants 8.30pm-10pm

Nest Stage: 1991 2.30pm-3.30pm. Skepsis 3.30pm-5pm, Logan Sama 5pm-6pm, Chris Lorenzo vs DJ Zinc 6pm-7.30pm, P Money 7.30pm-8pm, TQD 8pm-9pm, Noisia 9pm-10pm

Mystree Stage: T> & Upgrade 1pm-3pm, Slipz & Champion 3pm-4pm, Natty Dubz Showcase 4pm-6pm, Hatcha 6pm-7pm, Limited 7pm-8pm, Saxon 8pm-9pm, Funtcase 9pm-10pm