London-based promoter Festival Republic has issued a warning about unauthorised agencies offering tickets to the Reading, Leeds and Latitude festivals.

Following inquiries from festival-goers, Festival Republic issued a statement on its Web site.

"Please note that Bookmetickets.com are NOT AUTHORISED by us to sell our event tickets, we have not supplied them with any official tickets to sell and we have no relationship with them at all," said the statement. "Therefore we would not advise buying tickets for our events from them."

It follows problems with unauthorised agencies last year that left hundreds of customers without tickets to major festivals.

Festival Republic has a limited number of authorised agencies. Presale tickets for Reading and Leeds have sold out; general sale tickets will become available in spring when the line-up is confirmed.

Meanwhile, police in the U.K. have taken action to close 11 ticketing Web sites based in Hungary, according to the BBC. It follows complaints about tickets not being supplied in addition to alleged trademark and copyright offences.

The sites police have targeted include TakeThattour.com, Oasistickets.net and Tinaturnertickets.net.