Wishaw teenage star and Motherwell midfielder David Turnbull's club record move to Celtic has dramatically been called off.
The 19-year-old was set to join the Scottish giants after the two sides agreed a £3.25 million pound deal.
After a protracted signing and medical process, an issue has been discovered that requires "immediate preventative surgery".
Celtic were still keen to sign the talent, but Motherwell pulled out of the deal after dismissing the Hoops revised transfer terms.
A Motherwell FC spokesperson said: "An agreement was reached with the Glasgow club on 12 June, subject to the player agreeing personal terms, which he did, and undergoing a medical.
"During that medical process, an issue was identified that will require David to have immediate preventative surgery and subsequent rehabilitation.
"Celtic were still keen to sign the player despite this matter arising. But having presented revised transfer terms to Motherwell, the clubs could not reach an agreement.
"David will now remain at Fir Park and will shortly have an operation which will rule him out of any football for an extended period, the exact length to be determined following surgery."
Motherwell have insisted they will give the former Coltness High pupil all the support he needs as he works back to full fitness.
