The information from the public has been greatly assisting the inquiry

Det Insp Brian Yule, Grampian Police

Detectives have been studying CCTV footage of the trouble that flared during the evening match.

Police were also investigating whether an organised gang of English hooligans was responsible for the violence.

Detective Inspector Brian Yule, who is leading the inquiry, said 40 people contacted the hotline on Monday alone.

He said: "The information we have been receiving from the public has been very good and is greatly assisting the inquiry.

Lorenzo Amoruso appeals for calm

"I would urge anyone who thinks they have even the tiniest scrap of information to contact me.

"It will all help to build up the bigger picture.

"The inquiry is progressing well and we are sifting through all the information, both witness statements and photographic evidence, to identify crimes and those responsible."

The SPL's director of football administration Ian Blair will be in Aberdeen for the meetings and will produce a full report for consideration by his board before the end of this month.

Security review

The league is currently examining kick-off times for matches, together with a review of security procedures.

It has appealed to football fans and the general public to contact the police if they recognise any of those responsible for Saturday's incidents.

Scottish justice minister Jim Wallace met Grampian's Police Chief Constable Andrew Brown on Monday to discuss the scenes during the match, which Rangers won 1-0.

Troublemakers fined

As a result of Saturday's events, Aberdeen Football Club is reviewing the stewarding of its home games.

The club is also looking at following the lead of an Australian cricket ground where fans face a �5,000 fine for running onto the pitch.

Grampian Police's hotline number is 01224 386868.