Staff from the crisis-hit UEA have taken to the picket line in their hundreds over redundancies threatened at the organisation.
The University of East Anglia is currently facing financial uncertainty, with £45m of savings needed over the next three years.
The crisis has led to the bosses at the university planning a raft of redundancies - asking more than 100 members of staff to quit.
On Wednesday though, hundreds of workers - including academics - staged a mass walk-out in protest against the job cuts.
The demonstration was among the largest organised by the University and College Union's UEA branch, with more than 200 staff members estimated to have taken part.
Mark Walmsley, the branch's chairman, said: "We had more than 200 people in the line which was a fantastic turnout, particularly considering it is July.
"I think this really shows the strength of feeling about the situation, particularly considering a lot of people were coming in from annual leave to take part."
Mr Walmsley added that this demonstration would not be the last to hit the university if bosses continue with redundancies as planned.
He added: "The message is that unless the executive team is willing to take compulsory redundancies off the table, there will be more disruption to come over the autumn.
"We do not want to have to take action in September and October, but we are prepared to do so if we have to.
"We made our message clear."
Bosses at the university have previously said compulsory redundancies are a last resort for the financial situation.
A UEA spokesperson said: "We are aware of the planned local action by UCU members.
"This is a difficult time for our staff and we are working hard to support those impacted."
The UCU largely represents the university's academic staff, but also has members from non-teaching roles.
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