All subway services in Glasgow have been suspended after a power failure.
Morning commuters faced travel disruption after SPT announced that both inner and outer lines would be cancelled on Friday.
Shuttle bus services has been put in place between Shields Road and the city centre and from Buchanan Street to Ibrox.
Posting on the GLASubwayTravel Twitter account, a spokesman said: Apologies all, both Inner and Outer Circles suspended due to power failure.
“A shuttle service is running on the Inner from Shields Road to St Enoch.
“Apologies for the inconvenience. Will update when services resume.”