Police were forced to use pepper spray after officers and a steward were attacked in the away section at Goodison Park.
Officers used PAVA, a type of incapacitant spray, after they were attacked in the away section in the Lower Bullens stand during Saturday's home game with Leeds United.
The steward was reportedly headbutted by a man in the away section at the start of the second half.
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When police tried to arrest the suspect they were showered with bottles by members of the crowd. Two officers were punched in the face.
One man, aged 44 from Skipton, was arrested on suspicion of being drunk and disorderly and assaulting an officer. He was taken into custody to be interviewed and has since been released under investigation.
Merseyside Police said that their Professional Standards Department had found that the use of the spray on February 12 was 'proportionate and necessary.'
A police spokesman said: "When police were assaulted, officers deployed PAVA spray in order to bring the situation under control for the safety of fans near to the disturbance.
"Efforts were made immediately after to identify anyone affected by the spray and provide them with aftercare and support.
"The use of PAVA in this incident has been reviewed by our Professional Standards Department who are satisfied that its use was proportionate and necessary.
"Enquiries into the incident are ongoing and Merseyside Police is examining CCTV and working with Everton FC and Leeds United to establish the full circumstances and identify any offenders."
Anyone with any information is asked to DM @MerPolCC on Twitter, message ‘Merseyside Police Contact Centre’ on Facebook or call @CrimestoppersUK anonymously on 0800 555 111.
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