Apparently, the Polish leg of Britney's Circus tour has had to be cancelled; some are saying due to poor ticket sales, others due to a contractual dispute
"POLISH PROMOTER CANCELS WARSAW PERFORMANCE OF THE CIRCUS STARRING BRITNEY SPEARS
Los Angeles, CA - The Circus Starring Britney Spears will not be touring Warsaw, Poland during the 63-city world tour. To Britney's great dismay, the performance scheduled to take place in Warsaw, Poland on Friday, July 24th has been canceled by the Polish promoter due to a contractual dispute that was unable to be resolved. Britney regrets that she will not be visiting Poland's capital during her world tour. She apologizes to all her loyal fans for the cancellation and hopes to visit the culturally exciting city of Warsaw in the near future.
"The Circus Starring Britney Spears" kicked-off in New Orleans, LA on March 3, "The pop star...pulled out all the stops before a sell-out crowd of 16,400 to launch her much anticipated world tour," stated Reuters. To date, the Circus is the highest grossing tour of 2009 in North America."