Andy Lau (劉德華) suffered from a throat infection while singing the song (如果有一天) during his concert and was forced to stop the performance at Hong Kong Coliseum on 28th December 2018. He bowed to the audiences as an apology on the stage and his tears came down on his face as well. Many fans were worried about his health condition and the organisation committee made an official announcement on 29th December.

Here is the information:

Focus Group Holding Limited (映藝文化娛樂有限公司)

“<<AXA 安盛呈獻 My Love Andy Lau World Tour – Hong Kong 2018>> –
Special Announcement for the concert cancellation

As Mr Andy Lau had a throat infection, we had no choice but to cancel 3 sessions of his concert on 28th, 29th and 30th December 2018. Hopefully he will have a speedy recovery and continue the performances.

As for the audiences who purchased the tickets based on the dates mentioned above, we will inform the alternative arrangements as soon as possible..

Sorry for the inconvenience caused. Please accept our sincere apology.”

Credit To: https://www.hk01.com/%E5%8D%B3%E6%99%82%E5%A8%9B%E6%A8%82/276575/%E5%8A%89%E5%BE%B7%E8%8F%AF%E6%BC%94%E5%94%B1%E6%9C%83-%E5%AE%A3%E5%B8%83%E5%8F%96%E6%B6%8829-30%E5%85%A9%E6%99%9A%E6%BC%94%E5%87%BA-%E4%B8%BB%E8%BE%A6%E7%9B%A1%E5%BF%AB%E5%85%AC%E5%B8%83%E5%BE%8C%E7%BA%8C%E5%AE%89%E6%8E%92