LONDON – *******’s Home Secretary Theresa May says the country has raised the ****** ****** level from substantial to severe, but says there is no specific ******.

The ****** level means that a ********* ****** is considered “highly likely,” but May insisted Friday there is no information to suggest an ****** is imminent. She says higher ****** level is related to developments in Iraq and Syria.

Severe is the second-highest ****** level.

May says the decision by the Joint ********* Analysis Center is made on the basis of intelligence and is independent of government.

******* has repeatedly expressed concern about British nationals travelling to the *********** and returning to wage ******* in the U.K.