A 20-year-old woman from Hyde has been arrested on suspicion of assaulting police officers.
She is understood to be one of 12 people who travelled from Greater Manchester to Liverpool to attend a house party on Saturday night (May 2).
Eleven others were issued with fixed penalty notices for breaching the coronavirus legislation and flouting lockdown rules.
Merseyside Police said three officers were assaulted after being called to the house party in Garmoyle Road, Wavertree.
The 20-year-old was arrested on suspicion of breach of Covid-19 legislation and three counts of assaulting constables after becoming aggressive when officers arrived at the address.
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