The UK must actively prepare for a "wartime scenario" on British soil "for the first time in many years", the Government has warned.In the national security strategy published on Tuesday, ministers said the UK now finds itself in "an era in which we face confrontation with those who are threatening our security".

The UK must actively prepare for a "wartime scenario" on British soil "for the first time in many years", the Government has warned.In the national security strategy published on Tuesday, ministers said the UK now finds itself in "an era in which we face confrontation with those who are threatening our security".