Holyrood has united to ''stand strong'' against terrorism and division in the wake of the ''heinous'' attack on Westminster.
Focus on football, police tell fans ahead of Old Firm
Police have warned Celtic and Rangers fans to "focus on the football'' ahead of the latest match between the sides.
A number of arrests were made after their first game of this season, with effigies hung from the stand and a toilet block extensively damaged at Celtic Park, but two subsequent matches passed off without major incident.
Police said extra officers will be on duty at the game on Sunday to stop any troublemakers.
Chief Superintendent Brian McInulty said: "As is normal, we have a robust policing plan in place for this fixture with public safety being firmly at the heart of it.
"You may see additional officers in Glasgow and around the stadium who will assist those supporters attending.
"Although the majority of supporters attending these matches are well-behaved and enjoy the game, there is often a minority who are intent on drinking too much alcohol and engage in criminal behaviour such as vandalism, disorder or offensive behaviour.
"Let's keep this match focused on the football so that supporters can enjoy a safe match.''
With roadworks continuing on the M8 and M74, police are warning people to be aware of possible travel disruption.
Chief Inspector Stuart Wilson, from British Transport Police, said: "Preparations for this match have been in place for many weeks and, alongside Police Scotland, we will have a highly-visible policing presence in order to deter crime and anti-social behaviour.
"We want fans to enjoy themselves and will be working hard ensure everyone has a safe and enjoyable journey.
"Passengers are the eyes and ears of the network and I'd encourage anyone who does have any concerns while travelling on the railway to report them to us by simply texting 61016.''
A pilot who admitted preparing to fly a passenger jet while more than double the legal alcohol limit has been jailed for 10 months.
A watchdog is to investigate the response of police officers following the death of a 32-year-old man in Glasgow.
No assault or crime was committed after two 12-year-old boys in Aberdeen reported having white powder thrown at them, police have said.
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