Another major artist cancels US leg of tour  The IndependentKiefer Sutherland cancels tour due to ‘very low ticket sales’ as he laments ‘half empty’ venues  Page SixHollywood star becomes latest casualty of ‘blue dot fever’: ‘Don’t think it’s fair’  YahooActor & Country Singer Kiefer Sutherland Becomes The Latest Artist To Cancel His Tour – And Admits It’s Due To Low Ticket Sales  Whiskey RiffKiefer Sutherland Cancels U.S. Tour Over “Very Low” Ticket Sales in Candid Message  E! News