Celtic have been hit by the news striker Mo Bangura has suffered a setback in his recovery from a long-term knee injury.
The 22-year-old Sierra Leone international has struggled with knee problems since he arrived at Parkhead from Swedish side AIK last summer.
However, while it was initially thought the problem Bangura picked up at the start of this month was nothing too serious, the Hoops have now revealed that he has 'tweaked' his right knee again and is facing a longer spell on the sidelines.
Celtic have been boosted by the news defender Daniel Majstorovic has returned to training following the fractured cheekbone he suffered against St Johnstone last month and he will be available to face Falkirk at Hampden Park in this weekend's Scottish Communities League Cup semi-final.
Recent signing Mikael Lustig and winger Paddy McCourt are also set to return to training after their respective thigh and foot injuries.