An investigation into a controversial communal bins project could be launched just weeks after the scheme started.
Liberal Democrats on Brighton and Hove City Council have called for the inquiry following widespread protests.
Many people have accused the council of failing to consult them over the introduction of the industrial-sized bins into some central city streets.
The pilot scheme has just started and will last a year, with a full review after six months.
Regency ward councillor Dawn Davidson, who has called on the council to start a scrutiny investigation, said: "Residents have been particularly aggrieved by what they perceived was a totally inadequate and flawed consultation process.
"The main complaint has been few residents felt they had been made fully aware of the scheme. A proper consultation involving all parties would have prevented some of the recent demonstrations."
Lib Dem group leader Paul Elgood said: "Residents are still concerned over the way this has been handled. It deserves a thorough examination and lessons should be learned."
The council's scrutiny committee will decide whether an investigation is to take place.
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