This is the reason why balloons are banned from Sheffield Arena

They're forbidden at concerts and events at Sheffield Arena alongside large flags, banners, selfie sticks and party poppers.

Fights break out between rival fans on Sheffield derby dayThe reason they're banned isn't because they're dangerous - there's a far more prosaic explanation.

According to the venue's website, there have been issues with balloons being released and becoming trapped in the roof fittings, which has caused problems with the lighting. They are difficult to remove from the eaves, which are 20 metres above floor level.

What other items are banned from Sheffield Arena?

- Large posters/banners over 30cm in length

- Selfie sticks

- Flags over 30cm in length

- Party poppers - these can be mistaken for fireworks

- Fireworks

- Flares

- Offensive weapons

- Bags larger than a sheet of A3 paper

- Wrapped gifts

- Your own food and drink

Individual events and gigs also have their own specific rules on which items are permitted - you are advised to check the information listing for a concert before attending.

Ticket-holders are generally advised to keep personal possessions to a minimum when visiting the venue to avoid lengthy searches.