Firefighters were screamed at and had fireworks thrown at them as they tried to put out a bonfire in Speke.
Crews were called to the blaze on Western Avenue, shortly before 7pm, but were met by an angry group of adults when they arrived.
Missiles were hurled at the teams and their fire engines but crowds who also verbally abused them.
The fire service have since issued a scathing statement asking those involved if they are "proud" of themselves.
A spokesperson said: "Our firefighters have come under attack by people throwing fireworks tonight as they responded to an incident in Speke, this will not be tolerated.
"Crews were called to a large bonfire on Western Avenue shortly before 7pm.
"On arrival, firefighters were greeted by a large number of people who immediately began verbally abusing them and throwing fireworks.
"Thankfully no one was injured and the fire engine was not damaged, but that does not make this acceptable.
"Firefighters are not targets, they are human beings with families and loved ones waiting for them at home.
"They go out each day and night, 24/7, 365 days a year to keep YOU, the people of Merseyside safe.
"They are there for you in your time of need and put their lives at risk on a daily basis - is this the tanks they get?
"They do not deserve to be verbally and physically attacked as they carry out their duties."
Footage shared on social media showed how crowds continued to obstruct crews and police who were called to the scene.
Men can be heard shouting at officers and fireworks are set off in the background.
Community bonfires were banned this year during to the coronavirus pandemic and in a bid to keep people from gathering together.
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It was also realised that the smoke would be bad for anyone already suffering respiratory problems and could put them at a higher risk of the virus.
Firefighters in Merseyside have previously said they would be extinguishing any and all bonfires they are called to as a matter of public safety.
Merseyside Fire and Rescue went on to ask those involved in tonight's incident if they were "proud" of the behaviour.
They said: "If you or someone you know was involved in this tonight - are you proud of yourselves?
"Please think about the person you want to be and remember that your actions have consequences."
