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The song came in ahead of Adele’s Hello at number four, Justin Bieber’s Sorry at number three and Justin Bieber’s Love Yourself at number two.
“This is just incredible for everyone who works in the NHS,” Dr Katie Rogerson, who organised the single’s campaign, told Radio 1 when the final chart position was announced.
The track shot to the lead for Christmas No.1 on Wednesday after Justin Bieber urged fans to “do the right thing” and buy the NHS Choir’s single rather than his.
so for 1 week it’s ok not to be #1. Let’s do the right thing & help them win. It’s Christmas. @Choir_NHS good luck https://t.co/ORCtFY1k4i
— Justin Bieber (@justinbieber) December 23, 2015