Rangers keeper Jack Butland will miss Rangers' clash with Celtic after he was admitted to hospital on Hogmanay.
The Rangers Review understands the nine-times capped for England keeper was admitted with what a source describes as a "significant internal bleed".
The 31-year-old missed was forced to spend the night under medical care before being released today - but will not be fit to take his place in between the sticks at Ibrox.
Butland, who was heavily criticised for his showing in the 2-2 Boxing Day draw with Motherwell is understood to be devastated to have to sit out the derby.
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And that means summer signing Liam Kelly will take his place in nets for only his second appearance for the Light Blues since signing in the summer.
Kelly, a graduate of the Rangers youth system who took a meandering route back to the club via the likes of QPR and Motherwell, kept a clean sheet in the 1-0 win over Dundee earlier this month after Butland pulled out of the match when his wife went into labour.
Talking to the media after the appearance, he said: “It felt unbelievable. I've been at Rangers a long, long time.
“It was 20 years ago that I first walked through the gates of the training centre. So, that's what I've waited for the majority of my life.
“I’m over the moon, I got a clean sheet and a victory. That’s why I signed, in case I was ever called upon."
Butland posted on social media site Instagram this afternoon explaining he is hoping for a full recovery 'sooner rather than later' and bemoaning the timing of the issue.
"I really appreciate the messages, but it's important the information is correct," read the post.
"I've suffered a significant bleed to my leg that needed hospital attention, thankfully that's now under control and will lead to a full recovery hopefully sooner rather than later.
"Needless to say it's come at an awful time and I was fully focussed on helping us as a club.
"The most important thing now is supporting the lads and focussing on getting fit again as soon as possible.
"Let's stick together and push on @rangersfc."
