UK tHrEaT LeVeL...

A new system has been created to keep the public informed about the level of threat to the UK from terrorism.The system also helps the police and other law enforcement agencies determine how they should respond to, and prepare for a terrorist incident.

The threat levels are:
critical - an attack is expected imminently
severe - an attack is highly likely
substantial - an attack is a strong possibility
moderate - an attack is possible but not likely
low - an attack is unlikely