A man was today arrested on suspicion of terror offences in the north of England, police said.
The 19-year-old was held earlier this morning by police in Blackburn, Lancashire.
He was arrested under the Terrorism Act 2006 and specialist police teams are now searching his bedsit, above a take-away shop in the town.
A spokeswoman for Lancashire Police said: "The arrest is the culmination of a counter terrorism operation between Lancashire Constabulary and Greater Manchester Police Counter Terrorism Unit.
"The address of the arrested man, which is in the Blackburn area, will now be searched by specialist officers from both forces."
No further details about the arrested teenager's suspected activities were given by police.
PA