By Kieran Gill for MailOnline
Published: 15:52 BST, 23 May 2018 | Updated: 15:55 BST, 23 May 2018
Arsenal supporters have delivered a letter to the UK's Spanish ambassador demanding action is taken against Madrid police who acted like 'violent, uniformed thugs' after their Europa League loss earlier this month.
It includes accusations of officers using their batons to hit Arsenal fans, including women, children and older supporters, without provocation both inside and outside the Wanda Metropolitano Stadium.
The letter, hand-delivered by the Arsenal Independent Supporters' Association to Carlos Bastarreche at the Spanish embassy in London, claims to have video evidence and witness statements available.
Arsenal supporters have delivered a letter to the UK's Spanish ambassador demanding