India, Feb. 28 -- Justin Timberlake has left fans frustrated after abruptly canceling the final stop of his Forget Tomorrow World Tour in Columbus, Ohio, just minutes before showtime. The singer, 44, took to Instagram on Thursday to announce that he had been battling the flu and was no longer able to perform.

"You guys, I'm heartbroken," Timberlake wrote. "I have to cancel the show tonight. I went into soundcheck battling the flu and now it's gotten the best of me."

Despite the announcement, fans were outraged by the timing, as many had already arrived at the Nationwide Arena when they received the news.

While Timberlake assured ticket holders they would receive refunds, the late notice sparked widespread criticism. Some attendees poin...