No reason was given for the latest reviewed travel advice.
They said that the security agencies needed not to wait for advisories before they carry out their constitutional roles of defending the country.
The U.S. offered to evacuate non-essential members of staff who wanted to leave the country when it issued the terror alert about two weeks ago.
The advisory reads: “On Monday, 7 November, the Foreign, Commonwealth and Development Office (FCDO) updated its Travel Advice for the Federal Capital Territory, including the city of Abuja, from ‘Amber’: ‘advise against all but essential travel’, to ‘Green’: ‘see our Travel Advice before travelling’.
“FCDO travel advice exists to inform British nationals so they can make decisions about travelling abroad. There continues to be a number of states in Nigeria where we advise British Nationals against all but essential travel.
“These include: Bauchi, Kano, Jigawa, Niger, Sokoto, Kogi, Abia, Plateau, Taraba, within 20km of the border with Niger in Kebbi State and non-riverine areas of Delta, Bayelsa and Rivers States.
“We also advise against all travel to: Borno State, Yobe State, Adamawa State, Gombe State, Kaduna State, Katsina State, Zamfara State and the riverine areas of Delta State, Bayelsa State, Rivers State, Akwa Ibom State and Cross River State.
“The UK keeps its travel advice under regular review and in making these assessments, and uses information from a wide range of sources. The travel advice is constantly reviewed to make sure it reflects the current situation in Abuja and Nigeria.