Glasgow Taxis drivers have hit out at a group who regularly park outside the Royal Concert Hall on Renfrew Street without their lights on at peak times.
When customers approach and ask if they are for hire, drivers ask where they are travelling and some are refusing to take customers who are only going short distances.
Drivers are entitled to turn off their light and negotiate a fee with a customer if they are travelling outwith the city limits.
However, they are only allowed to refuse a hire in certain circumstances, for example if the customer is behaving in an abusive manner.
Council officials have urged customers to report any drivers who refuse short journey hires.
One driver said: "My grandson and his friends were quoted £40 to travel to Bishopbriggs, which would normally cost about £15 or £16.
"The place is buzzing on a Friday and Saturday night and these drivers are sitting without their lights on and refusing hires. "
Glasgow City Council's taxi enforcement department said they were aware of the issue and confirmed it had received complaints from passengers.
A spokeswoman said: "They shouldn't be refusing hires, unless there is a very good reason to do so.
"We would urge customers to report any incidents."
Stephen Flynn, vice-chairman of Glasgow Taxis Ltd, said: "It is important for Glasgow Taxis customers to use official ranks, hail taxis with illuminated lights or pre-book using our official app or by calling 0141 429 7070.
"Customer service is our absolute priority."