Kiefer Sutherland has canceled his remaining tour dates after ticket sales failed to meet expectations. “With great disappointment I am going to have to cancel the US leg of my tour due to very low ticket sales,” the “Lost Boys” actor wrote via Instagram on Friday. “I don’t think it’s fair to the people who have bought tickets, or the venues, to play to have empty houses,” he continued. “I look forward to touring the United States again at a more suitable time.” He concluded the message, “I hope you understand” and added that refunds would be available at the point of purchase. Kiefer Sutherland, pictured here earlier this month in Madrid, announced he’s canceling the US leg of his tour. He cited “empty houses” and low ticket sales, as seen above in his Instagram statement. Instagram/Kiefer Sutherland In the caption, Sutherland, 59, directed fans to his website “for all upcoming gigs.” Though some fans were seemingly disappointed by the announcement, others were understanding in the comments thread.…