There is a heavy police presence in Newcastle for a planned demonstration by the English Defence League over the death of a British soldier in Woolwich.
About 1,000 officers were expected to be on duty in the city centre, backed by 10 police horses on loan from the West Yorkshire force.
A statement on the Northumbria Police website said: "We appreciate that the events in London on Thursday may have heightened community concerns about this weekend's planned protests in Newcastle.
"We are constantly monitoring the situation and will continue to adapt accordingly."
More top news
Ranvir Singh returns to Calais a year after first reporting from there for Tonight on the plight of migrants seeking a way into Britain.
Sir Bruce Forsyth talks to ITV News about his encounters with the Queen and his years in the spotlight throughout her reign.
A seven-year-old girl was shot in the head at her home by her estranged father, before he turned the gun on himself, an inquest has heard.