Kinghorn is the latest injury worry for unconvincing Lions side

THE British and Irish Lions are sweating on the fitness of Blair Kinghorn as they face the possibility of losing another fullback to injury.

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Kinghorn took a bang to his knee early in the Lions' 36-24 victory over ACT Brumbies in Canberra and attempted to play on before eventually limping off in the 25th minute.

The Scotland star, seen as a likely starter in the first Test against Australia on July 19, thumped the pitch in frustration when he first felt the injury and he is waiting to find out the extent of the damage.

The Lions have already seen Elliot Daly forced out of the tour because of a fractured forearm and after calling up playmaker Owen Farrell as his replacement, Kinghorn and Keenan are left as the only specialist fullbacks in the squad, although Marcus Smith provides cover in the position.