A number of football fans were left requiring medical treatment during a 'crush' to get into Parkhead stadium.

Five people were treated by first aiders when fans were attempting to get inside the grounds before kick-off.

Emergency services treated four at the scene before they entered the ground and another was taken to hospital after falling from the wall bordering Janefield Street.

Policing bosses will be reviewing the incident which saw fans claim they were being 'crushed' amid 'total chaos' with Celtic.

Hundreds of fans were left stuck outside and missed the opening stages of their game with premiership rivals Rangers .

Read more: Celtic fans describe scenes of ‘total chaos’ in Parkhead ‘crushing’ fears ahead of Old Firm

Chief Superintendent Brian McInulty Police Scotland said: "This was a dynamic situation, occurring ten minutes before the match started.

"Officers and stewards reacted quickly upon realising there was an issue and put in place measures to relieve the congestion.

"This included putting in place cordons to prevent further entry at Janefield St and opening up London Road to allow fans to access the stadium from the South.

"We work closely with Celtic Football Club to ensure the safety of all fans attending matches. We plan and practice various scenarios to ensure that if an incident occurs it will be dealt with as quickly as possible, as happened in this case.

"We will review today's incident and work with Celtic to ensure any learning is quickly put in place."

Martin Lennon, Labour and Co-Op Councillor for Rutherglen Central and North, lead criticism on Twitter.

He said it was the “closest thing to a crush I’ve seen in 18 years going to Celtic Park.”

Mr Lennon added: “Absolutely chaotic scenes before kick-off. Blocked from going round LL to my seat. Confronted with these scenes at JS stand.

“Closest thing to a crush I’ve seen in 18 years going to Celtic Park.”

He later added: “@CelticFCSLO @policescotland is there a reason why thousands of supporters were blocked from Celtic Park as the match kicked off?

“Chaotic scenes, no communication and hundreds of people were forced to scramble over a wall to get around the stadium.”

One of Mr Lennon’s followers replied: “Same here. Folk terrified and police losing control. Guy collapsed further up at the turnstiles. Total chaos. They started turning people back at the halfway point while everyone was still coming in behind them.”

Mark Fitzpatrick wrote: "Shambolic policing at stewarding at Celtic Park. 1000s stuck at the tunnel at the North Stand. Folk having the scale walls to get moving."

A statement issued by Celtic FC said: "We are aware of the issues caused by congestion prior to kick-off. We are pleased that stewards and police were able to assist quickly and we thank our supporters for their patience shown while the matter was being dealt with.

"We will work closely with police to investigate and review this matter. The safety of our supporters will always be our priority."