Maroon 5 frontman Adam Levine has apologised for scraping their performance in Liverpool due to the singer's health issue.
Levine has been ordered to take a break by doctors due to the throat problem, reported Aceshowbiz.
"I am really sorry I will not to be able to perform tonight, but I have been told to rest by the doctor," the singer said.
The band will next perform in Birmingham and Manchester before Amsterdam and then moving to Africa, Europe, Asia, Australia, and New Zealand. They will stay on the road until October.
